Fixed memory allocation size.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404086

test/testgles.c

@@ -147,7 +147,7 @@ main(int argc, char *argv[])
         quit(2);
     }
 
-    context = SDL_calloc(state->num_windows, sizeof(SDL_GLContext));
+    context = SDL_calloc(state->num_windows, sizeof(context));
     if (context == NULL) {
         fprintf(stderr, "Out of memory!\n");
         quit(2);