BUILD: Rename libunity support variable to "USE_UNITY" instead of "USE_TASKBAR_UNITY".

This makes it consistent with other library support variables.

backends/platform/sdl/posix/posix.cpp

@@ -50,7 +50,7 @@ void OSystem_POSIX::init() {
 	// Initialze File System Factory
 	_fsFactory = new POSIXFilesystemFactory();
 
-#if defined(USE_TASKBAR) && defined(USE_TASKBAR_UNITY)
+#if defined(USE_TASKBAR) && defined(USE_UNITY)
 	// Initialize taskbar manager
 	_taskbarManager = new UnityTaskbarManager();
 #endif
@@ -67,7 +67,7 @@ void OSystem_POSIX::initBackend() {
 	// Invoke parent implementation of this method
 	OSystem_SDL::initBackend();
 
-#if defined(USE_TASKBAR) && defined(USE_TASKBAR_UNITY)
+#if defined(USE_TASKBAR) && defined(USE_UNITY)
 	// Register the taskbar manager as an event source (this is necessary for the glib event loop to be run)
 	_eventManager->getEventDispatcher()->registerSource((UnityTaskbarManager *)_taskbarManager, false);
 #endif

backends/taskbar/unity/unity-taskbar.cpp

@@ -24,7 +24,7 @@
 #define FORBIDDEN_SYMBOL_EXCEPTION_time_h
 #include "common/scummsys.h"
 
-#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_TASKBAR_UNITY)
+#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_UNITY)
 
 #include "backends/taskbar/unity/unity-taskbar.h"
 

backends/taskbar/unity/unity-taskbar.h

@@ -23,7 +23,7 @@
 #ifndef BACKEND_UNITY_TASKBAR_H
 #define BACKEND_UNITY_TASKBAR_H
 
-#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_TASKBAR_UNITY)
+#if defined(POSIX) && defined(USE_TASKBAR) && defined(USE_UNITY)
 
 #include "common/events.h"
 #include "common/str.h"

configure

@@ -3727,7 +3727,7 @@ if test "$_libunity" = yes ; then
 	LIBS="$LIBS $LIBUNITY_LIBS"
 	INCLUDES="$INCLUDES $LIBUNITY_CFLAGS"
 fi
-define_in_config_h_if_yes "$_libunity" 'USE_TASKBAR_UNITY'
+define_in_config_h_if_yes "$_libunity" 'USE_UNITY'
 fi
 echo "$_libunity"