fix warnings

src/ddsurface.c

@@ -15,6 +15,7 @@
 #include "utils.h"
 #include "versionhelpers.h"
 #include "ddpalette.h"
+#include "palette.h"
 
 
 LONG g_dds_gdi_handles;

src/winapi_hooks.c

@@ -21,6 +21,7 @@
 #include "hook.h"
 #include "directinput.h"
 #include "ddpalette.h"
+#include "palette.h"
 
 
 BOOL WINAPI fake_GetCursorPos(LPPOINT lpPoint)