diff -r 930614179450 src/SDL.c
--- a/src/SDL.c	Fri Dec 03 16:55:25 2010 -0800
+++ b/src/SDL.c	Sun Jan 02 09:21:01 2011 -0500
@@ -33,6 +33,9 @@
 #include <pth.h>
 #endif
 
+/* JGO: for SDL_ThreadsQuit() to avoid mem leak */
+#include "thread/SDL_thread_c.h"
+
 /* Initialization/Cleanup routines */
 #if !SDL_JOYSTICK_DISABLED
 extern int  SDL_JoystickInit(void);
@@ -232,6 +235,9 @@
 							surfaces_allocated);
 	}
 #endif
+
+	SDL_ThreadsQuit();
+
 #ifdef DEBUG_BUILD
   printf("[SDL_Quit] : SDL_UninstallParachute()\n"); fflush(stdout);
 #endif
diff -r 930614179450 src/thread/SDL_thread_c.h
--- a/src/thread/SDL_thread_c.h	Fri Dec 03 16:55:25 2010 -0800
+++ b/src/thread/SDL_thread_c.h	Sun Jan 02 09:21:01 2011 -0500
@@ -61,4 +61,7 @@
 /* This is the function called to run a thread */
 extern void SDL_RunThread(void *data);
 
+/* JGO custom - this is needed at SDL_Quit to avoid a 40B leak when the mutex isn't freed */
+extern void SDL_ThreadsQuit(void);
+
 #endif /* _SDL_thread_c_h */