ALL: Remove trailing whitespaces

This tries to make our code a bit more compliant with our code formatting
conventions. For future use, this is the command I used:
  git ls-files "*.cpp" "*.h" | xargs sed -i -e 's/[ \t]*$//'

graphics/fonts/winfont.cpp

@@ -81,7 +81,7 @@ bool WinFont::loadFromFON(const Common::String &fileName, const WinFontDirEntry
 		return true;
 
 	// Then try loading via the PE code
-	return loadFromPE(fileName, dirEntry);	
+	return loadFromPE(fileName, dirEntry);
 }
 
 bool WinFont::loadFromNE(const Common::String &fileName, const WinFontDirEntry &dirEntry) {
@@ -98,7 +98,7 @@ bool WinFont::loadFromNE(const Common::String &fileName, const WinFontDirEntry &
 	}
 
 	uint32 fontId = getFontIndex(*fontDirectory, dirEntry);
-	
+
 	delete fontDirectory;
 
 	// Couldn't match the face name
@@ -133,7 +133,7 @@ bool WinFont::loadFromPE(const Common::String &fileName, const WinFontDirEntry &
 	}
 
 	uint32 fontId = getFontIndex(*fontDirectory, dirEntry);
-	
+
 	delete fontDirectory;
 
 	// Couldn't match the face name

graphics/fonts/winfont.h

@@ -88,7 +88,7 @@ private:
 		uint16 charWidth;
 		uint32 offset;
 		byte *bitmap;
-	} *_glyphs;	
+	} *_glyphs;
 };
 
 } // End of namespace Graphics

graphics/jpeg.h

@@ -72,7 +72,7 @@ private:
 		// Result image for this component
 		Surface surface;
 	};
-	
+
 	Component *_components;
 
 	// Scan components

graphics/png.cpp

@@ -100,7 +100,7 @@ enum PNGFilters {
 	kFilterPaeth   = 4
 };
 
-PNG::PNG() : _compressedBuffer(0), _compressedBufferSize(0), 
+PNG::PNG() : _compressedBuffer(0), _compressedBufferSize(0),
 			_unfilteredSurface(0), _transparentColorSpecified(false) {
 }
 
@@ -282,7 +282,7 @@ bool PNG::read(Common::SeekableReadStream *str) {
 	// Unpack the compressed buffer
 	Common::MemoryReadStream *compData = new Common::MemoryReadStream(_compressedBuffer, _compressedBufferSize, DisposeAfterUse::YES);
 	_imageData = Common::wrapCompressedReadStream(compData);
-	
+
 	// Construct the final image
 	constructImage();
 
@@ -306,7 +306,7 @@ byte PNG::paethPredictor(int16 a, int16 b, int16 c) {
   int16 pa = ABS<int16>(b - c);
   int16 pb = ABS<int16>(a - c);
   int16 pc = ABS<int16>(a + b - c - c);
-    
+
   if (pa <= MIN<int16>(pb, pc))
 	  return (byte)a;
   else if (pb <= pc)

graphics/sjis.cpp

@@ -161,7 +161,7 @@ void FontSJISBase::drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1,
 		outlineExtraWidth = 0;
 		outlineXOffset = 1;
 	}
-	
+
 	if (maxH != -1 && maxH < height) {
 		height = maxH;
 		outlineExtraHeight = 0;
@@ -191,7 +191,7 @@ void FontSJISBase::drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1,
 		if (_drawMode == kOutlineMode) {
 			blitCharacter<uint8>(outline, width + outlineExtraWidth, height + outlineExtraHeight, (uint8 *)dst, pitch, c2);
 			blitCharacter<uint8>(glyphSource, width - outlineXOffset, height - outlineYOffset, (uint8 *)dst + pitch + 1, pitch, c1);
-		} else {			
+		} else {
 			if (_drawMode != kDefaultMode) {
 				blitCharacter<uint8>(glyphSource, width - outlineXOffset, height, ((uint8*)dst) + 1, pitch, c2);
 				blitCharacter<uint8>(glyphSource, width, height - outlineYOffset, ((uint8*)dst) + pitch, pitch, c2);

graphics/sjis.h

@@ -141,7 +141,7 @@ public:
 	void toggleFlippedMode(bool enable) { _flippedMode = enable; }
 
 	uint getFontHeight() const { return (_drawMode == kOutlineMode) ? 18 : (_drawMode == kDefaultMode ? 16 : 17); }
-	
+
 	uint getMaxFontWidth() const { return (_drawMode == kOutlineMode) ? 18 : (_drawMode == kDefaultMode ? 16 : 17); }
 
 	uint getCharWidth(uint16 ch) const;

graphics/surface.cpp

@@ -127,7 +127,7 @@ void Surface::vLine(int x, int y, int y2, uint32 color) {
 			*ptr = (uint16)color;
 			ptr += pitch / 2;
 		}
-	
+
 	} else if (format.bytesPerPixel == 4) {
 		uint32 *ptr = (uint32 *)getBasePtr(x, y);
 		while (y++ <= y2) {

graphics/surface.h

@@ -189,7 +189,7 @@ struct Surface {
 
 /**
  * A deleter for Surface objects which can be used with SharedPtr.
- * 
+ *
  * This deleter assures Surface::free is called on deletion.
  */
 struct SharedPtrSurfaceDeleter {