op_reg_common.h: add explicit cast

A version of the g++ compiler isn't allowing the implicit cast of U32 to an
enum.  Change to use an explicit cast.

diff --git a/op_reg_common.h b/op_reg_common.h
index 7d78005..f509650 100644 (file)
--- a/op_reg_common.h
+++ b/op_reg_common.h
@@ -73,7 +73,7 @@ get_regex_charset(const U32 flags)
 {
     /* Returns the enum corresponding to the character set in 'flags' */
 
-    return (flags & RXf_PMf_CHARSET) >> _RXf_PMf_CHARSET_SHIFT;
+    return (regex_charset) ((flags & RXf_PMf_CHARSET) >> _RXf_PMf_CHARSET_SHIFT);
 }
 
 /* Next available bit after the above.  Name begins with '_' so won't be