Add appropriate #ifdef around a declaration

storage/innobase/ut/ut0rbt.cc

@@ -89,7 +89,6 @@ rbt_check_ordering(
 
 	return(TRUE);
 }
-#endif /* UNIV_DEBUG || IB_RBT_TESTING */
 
 /**********************************************************************//**
 Check that every path from the root to the leaves has the same count.
@@ -138,6 +137,7 @@ rbt_count_black_nodes(
 
 	return(result);
 }
+#endif /* UNIV_DEBUG || IB_RBT_TESTING */
 
 /**********************************************************************//**
 Turn the node's right child's left sub-tree into node's right sub-tree.