Don't include rgbmap.h anymore.

src/syncterm/syncterm.c

@@ -46,9 +46,6 @@ static const KNOWNFOLDERID FOLDERID_ProgramData = {
  #include <xp_dl.h> /* xp_dlopen() and friends */
 #endif /* ifdef _WIN32 */
 
-#ifdef HAS_BITMAP
-#include <rgbmap.h>
-#endif
 #include <ciolib.h>
 #include <cterm.h>
 #include <dirwrap.h>