clean up sdlmame directory

games-emulation/sdlmame/files/sdlmame-0.148_p1-no-opengl.patch

@@ -0,0 +1,12 @@
+diff -Naur a/src/osd/sdl/osdsdl.h b/src/osd/sdl/osdsdl.h
+--- a/src/osd/sdl/osdsdl.h	2012-07-11 20:49:55.070264487 +0200
++++ b/src/osd/sdl/osdsdl.h	2012-07-11 20:51:45.976264395 +0200
+@@ -216,6 +216,8 @@
+ 	const char *audio_driver() const { return value(SDLOPTION_AUDIODRIVER); }
+ #if USE_OPENGL
+ 	const char *gl_lib() const { return value(SDLOPTION_GL_LIB); }
++#else
++    const char *gl_lib() const { return NULL; }
+ #endif
+ 
+ private: