Subject: fix build failure with -Werror=format-security
Author: Jan Dittberner <jandd@debian.org>
--- a/src/gui/sdlmain.cpp
+++ b/src/gui/sdlmain.cpp
@@ -1529,7 +1529,7 @@
 	if ( !sdl.inited && SDL_Init(SDL_INIT_VIDEO|SDL_INIT_NOPARACHUTE) < 0 ) textonly = true;
 	sdl.inited = true;
 #endif
-	printf(message);
+	printf("%s", message);
 	if(textonly) return;
 	if(!sdl.surface) sdl.surface = SDL_SetVideoMode(640,400,0,0);
 	if(!sdl.surface) return;