st/dri: don't set PIPE_BIND_SCANOUT for MSAA surfaces

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91231

Reviewed-by: Brian Paul <brianp@vmware.com>

src/gallium/state_trackers/dri/dri2.c

@@ -554,7 +554,7 @@ dri2_allocate_textures(struct dri_context *ctx,
 
          if (drawable->textures[statt]) {
             templ.format = drawable->textures[statt]->format;
-            templ.bind = drawable->textures[statt]->bind;
+            templ.bind = drawable->textures[statt]->bind & ~PIPE_BIND_SCANOUT;
             templ.nr_samples = drawable->stvis.samples;
 
             /* Try to reuse the resource.