ares_search: use ERRNO macro for portability sake

diff --git a/ares_search.c b/ares_search.c
index 9face5f..1877c19 100644 (file)
--- a/ares_search.c
+++ b/ares_search.c
@@ -291,7 +291,7 @@ static int single_domain(ares_channel channel, const char *name, char **s)
             }
           else
             {
-              error = errno;
+              error = ERRNO;
               switch(error)
                 {
                 case ENOENT: