--- hatari/src/gui-sdl/sdlgui.c	2019/04/01 07:12:24	1.1.1.2
+++ hatari/src/gui-sdl/sdlgui.c	2019/04/01 07:13:17	1.1.1.4
@@ -6,7 +6,7 @@
 
   A tiny graphical user interface for Hatari.
 */
-char SDLGui_rcsid[] = "Hatari $Id: sdlgui.c,v 1.1.1.2 2019/04/01 07:12:24 root Exp $";
+const char SDLGui_rcsid[] = "Hatari $Id: sdlgui.c,v 1.1.1.4 2019/04/01 07:13:17 root Exp $";
 
 #include <SDL.h>
 #include <ctype.h>
@@ -31,13 +31,16 @@ static int fontwidth, fontheight;
 /*
   Load an 1 plane XBM into a 8 planes SDL_Surface.
 */
-static SDL_Surface *SDLGui_LoadXBM(int w, int h, Uint8 *srcbits)
+static SDL_Surface *SDLGui_LoadXBM(int w, int h, const Uint8 *pXbmBits)
 {
   SDL_Surface *bitmap;
   Uint8 *dstbits;
+  const Uint8 *srcbits;
   int x, y, srcpitch;
   int mask;
 
+  srcbits = pXbmBits;
+
   /* Allocate the bitmap */
   bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 8, 0, 0, 0, 0);
   if (bitmap == NULL)
@@ -497,7 +500,7 @@ static void SDLGui_EditField(SGOBJ *dlg,
 /*
   Draw a whole dialog.
 */
-static void SDLGui_DrawDialog(const SGOBJ *dlg)
+void SDLGui_DrawDialog(const SGOBJ *dlg)
 {
   int i;
   for(i=0; dlg[i].type!=-1; i++ )