Merge pull request #143 from yonghuhaige/master

remove duplicated function, fix compiling

Author: deemar

src/zlog.c

@@ -620,14 +620,6 @@ int zlog_level_switch(zlog_category_t * category, int level)
     return 0;
 }
 
-/*******************************************************************************/
-int zlog_level_enabled(zlog_category_t * category, int level)
-{
-    if (category && zlog_category_needless_level(category, level)) return -1;
-
-    return 0;
-}
-
 /*******************************************************************************/
 void vzlog(zlog_category_t * category,
 	const char *file, size_t filelen,