make incorrect uses of free() and malloc() call abort() on OSX

src/vlc.c

@@ -95,6 +95,9 @@ int main( int i_argc, const char *ppsz_argv[] )
 #   ifdef DEBUG
     /* Activate malloc checking routines to detect heap corruptions. */
     putenv( (char*)"MALLOC_CHECK_=2" );
+#       ifdef __APPLE
+    putenv( (char*)"MallocErrorAbort=crash_my_baby_crash" );
+#       endif
 
     /* Disable the ugly Gnome crash dialog so that we properly segfault */
     putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );