Bug 442762 - Annotate mozStorageStatementScoper with NS_STACK_CLASS, r=sdwilsh

storage/public/mozStorageHelper.h

@@ -150,7 +150,7 @@ protected:
  * Note that this always just resets the statement. If the statement doesn't
  * need resetting, the reset operation is inexpensive.
  */
-class mozStorageStatementScoper
+class NS_STACK_CLASS mozStorageStatementScoper
 {
 public:
   mozStorageStatementScoper(mozIStorageStatement* aStatement)