[Core] switch_find_local_ip: Coverity 1024290 Resource leak.

src/switch_utils.c

@@ -2015,7 +2015,7 @@ SWITCH_DECLARE(switch_status_t) switch_find_local_ip(char *buf, int len, int *ma
 	}
 
   doh:
-	if (tmp_socket > 0) {
+	if (tmp_socket >= 0) {
 		close(tmp_socket);
 	}
 #endif