Ignore empty action instead of storing it

apache2/re.c

@@ -1054,6 +1054,12 @@ int msre_parse_generic(apr_pool_t *mp, const char *text, apr_table_t *vartable,
         /* ignore whitespace */
         while(isspace(*p)) p++;
         if (*p == '\0') return count;
+ 
+        /* ignore empty action */
+        if (*p == ',') {
+          	p++;
+           continue;
+        }
 
         /* we are at the beginning of the name */
         name = p;