Resolve CreatePalette name conflict

Fixes #641.

Source/dx.h

@@ -13,7 +13,7 @@ void unlock_buf(BYTE idx);
 void dx_cleanup();
 void dx_reinit();
 
-void CreatePalette();
+void InitPalette();
 void BltFast(SDL_Rect *src_rect, SDL_Rect *dst_rect);
 void Blit(SDL_Surface *src, SDL_Rect *src_rect, SDL_Rect *dst_rect);
 void RenderPresent();

Source/palette.cpp

@@ -70,7 +70,7 @@ void palette_init()
 {
 	LoadGamma();
 	memcpy(system_palette, orig_palette, sizeof(orig_palette));
-	CreatePalette();
+	InitPalette();
 }
 
 void LoadPalette(char *pszFileName)

SourceX/dx.cpp

@@ -164,7 +164,7 @@ void dx_reinit()
 	force_redraw = 255;
 }
 
-void CreatePalette()
+void InitPalette()
 {
 	palette = SDL_AllocPalette(256);
 	if (palette == NULL) {