Fix compiler errors from previous 2 commits.

src/xvba_buffer.c

@@ -829,7 +829,7 @@ xvba_CreateBuffer(
     if (!obj_buffer)
         return VA_STATUS_ERROR_ALLOCATION_FAILED;
 
-    ASSERT(size == obj->buffer_size);
+    ASSERT(size == obj_buffer->buffer_size);
     if (data)
         memcpy(obj_buffer->buffer_data, data, obj_buffer->buffer_size);
 

src/xvba_video.c

@@ -215,7 +215,7 @@ int surface_add_association(
             if (obj_surface->assocs[i]->subpicture == assoc->subpicture) {
                 /* XXX: this should not happen, but replace it in the interim */
                 ASSERT(obj_surface->assocs[i]->surface == assoc->surface);
-                SubpictureAssociation *a = obj_surface->assocs[i];
+                SubpictureAssociationP a = obj_surface->assocs[i];
                 free(a); /* XXX: release previous association */
                 obj_surface->assocs[i] = assoc;
                 return 0;
@@ -230,7 +230,7 @@ int surface_add_association(
     /* Append this subpicture association */
     SubpictureAssociationP *assocs;
     assocs = realloc_buffer(
-        &obj_surface->assocs,
+        (void**)&obj_surface->assocs,
         &obj_surface->assocs_count_max,
         1 + obj_surface->assocs_count,
         sizeof(obj_surface->assocs[0])