temporarily call _mesa_enable_sw_extensions() so we can run more test progs without failing the extension checks

src/mesa/state_tracker/st_context.c

@@ -87,6 +87,9 @@ struct st_context *st_create_context( GLcontext *ctx,
    st_init_cb_texture( st );
 #endif
 
+   /* XXXX This is temporary! */
+   _mesa_enable_sw_extensions(ctx);
+
    return st;
 }