- Patch #1019352 by Jody Lynn: delete blog module's variable on hook_uninstall().

modules/blog/blog.install

@@ -14,3 +14,10 @@ function blog_install() {
   $types = node_type_get_types();
   node_add_body_field($types['blog']);
 }
+
+/**
+ * Implements hook_uninstall().
+ */
+function blog_uninstall() {
+  variable_del('blog_block_count');
+}