AE_ERR -> ANET_ERR in acceptUnixHandler().

No actual changes since the value is the same.

src/networking.c

@@ -602,7 +602,7 @@ void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask) {
     REDIS_NOTUSED(privdata);
 
     cfd = anetUnixAccept(server.neterr, fd);
-    if (cfd == AE_ERR) {
+    if (cfd == ANET_ERR) {
         redisLog(REDIS_WARNING,"Accepting client connection: %s", server.neterr);
         return;
     }