misc: Change gsdx to gs comments.

pcsx2/GS/Renderers/HW/GSTextureCache.cpp

@@ -2050,7 +2050,7 @@ void GSTextureCache::Target::Update()
 		// any games to only upload a single page of data for the depth.
 		//
 		// FFX2 menu got another bug. I'm not sure the top-left is properly written or not. It
-		// could be a gsdx transfer bug too due to unaligned-page transfer.
+		// could be a gs transfer bug too due to unaligned-page transfer.
 		//
 		// So the quick and dirty solution is just to clean the depth buffer.
 		m_renderer->m_dev->ClearDepth(m_texture);

pcsx2/PAD/Windows/PAD.cpp

@@ -16,7 +16,7 @@
 #include "PrecompiledHeader.h"
 #include "Global.h"
 
-// For escape timer, so as not to break GSDX+DX9.
+// For escape timer, so as not to break GS.
 #include <time.h>
 #include <fstream>
 #include <iomanip>

pcsx2/gui/AppMain.cpp

@@ -858,7 +858,7 @@ void Pcsx2App::OpenGsPanel()
 		//   wxWidgets is "clever" (grr!) it optimizes out just force-setting the same size
 		//   over again, so instead I resize it to size-1 and then back to the original size.
 		//
-		// FIXME: Gsdx memory leaks in DX10 have been fixed.  This code may not be needed
+		// FIXME: GS memory leaks in DX10 have been fixed.  This code may not be needed
 		// anymore.
 		
 		const wxSize oldsize( gsFrame->GetSize() );