Cleanup.

svn-id: r50924

engines/tinsel/actors.cpp

@@ -197,10 +197,8 @@ void RegisterActors(int num) {
 }
 
 void FreeActors() {
-	if (actorInfo) {
-		free(actorInfo);
-		actorInfo = NULL;
-	}
+	free(actorInfo);
+	actorInfo = NULL;
 }
 
 /**

engines/tinsel/bmv.cpp

@@ -730,16 +730,12 @@ void BMVPlayer::FinishBMV() {
 		stream.close();
 
 	// Release the data buffer
-	if (bigBuffer != NULL) {
-		free(bigBuffer);
-		bigBuffer = NULL;
-	}
+	free(bigBuffer);
+	bigBuffer = NULL;
 
 	// Release the screen buffer
-	if (screenBuffer != NULL) {
-		free(screenBuffer);
-		screenBuffer = NULL;
-	}
+	free(screenBuffer);
+	screenBuffer = NULL;
 
 	// Ditch any text objects
 	for (i = 0; i < 2; i++) {

engines/tinsel/handle.cpp

@@ -175,22 +175,18 @@ void SetupHandleTable() {
 }
 
 void FreeHandleTable() {
-	if (handleTable) {
-		free(handleTable);
-		handleTable = NULL;
-	}
-	if (cdGraphStream) {
-		delete cdGraphStream;
-		cdGraphStream = 0;
-	}
+	free(handleTable);
+	handleTable = NULL;
+
+	delete cdGraphStream;
+	cdGraphStream = NULL;
 }
 
 /**
  * Loads a memory block as a file.
  */
 void OpenCDGraphFile() {
-	if (cdGraphStream)
-		delete cdGraphStream;
+	delete cdGraphStream;
 
 	// As the theory goes, the right CD will be in there!
 

engines/tinsel/object.cpp

@@ -49,10 +49,8 @@ static int maxObj = 0;
 #endif
 
 void FreeObjectList() {
-	if (objectList) {
-		free(objectList);
-		objectList = NULL;
-	}
+	free(objectList);
+	objectList = NULL;
 }
 
 /**

engines/tinsel/savescn.cpp

@@ -162,10 +162,8 @@ void InitialiseSaveScenes() {
 }
 
 void FreeSaveScenes() {
-	if (ssData) {
-		free(ssData);
-		ssData = NULL;
-	}
+	free(ssData);
+	ssData = NULL;
 }
 
 /**

engines/tinsel/strres.cpp

@@ -88,11 +88,9 @@ void ChangeLanguage(LANGUAGE newLang) {
 	textLanguage = newLang;
 	sampleLanguage = newLang;
 
-	if (textBuffer) {
-		// free the previous buffer
-		free(textBuffer);
-		textBuffer = NULL;
-	}
+	// free the previous buffer
+	free(textBuffer);
+	textBuffer = NULL;
 
 	// Try and open the specified language file. If it fails, and the language
 	// isn't English, try falling back on opening 'english.txt' - some foreign
@@ -355,10 +353,8 @@ int SubStringCount(int id) {
 
 
 void FreeTextBuffer() {
-	if (textBuffer) {
-		free(textBuffer);
-		textBuffer = NULL;
-	}
+	free(textBuffer);
+	textBuffer = NULL;
 }
 
 /**