add dummy statement for escape warning in MacOSX

diff --git a/src/regcomp.c b/src/regcomp.c
index 7f3636dde98a01ae69fa121cc036411b8ffdb7d2..2efa5d301bb251b3a3f3f97665689509335f21f5 100644 (file)
--- a/src/regcomp.c
+++ b/src/regcomp.c
@@ -1142,7 +1142,8 @@ compile_length_bag_node(BagNode* node, regex_t* reg)
     break;
 
   case BAG_OPTION:
-    /* never come here */
+    /* never come here, but set for escape warning */
+    len = 0;
     break;
   }