minor changes
diff --git a/include/ebtables_u.h b/include/ebtables_u.h
index b725625..7a47782 100644
--- a/include/ebtables_u.h
+++ b/include/ebtables_u.h
@@ -298,14 +298,14 @@
#define ebt_to_chain(repl) \
({struct ebt_u_entries *_ch = NULL; \
-if (repl->selected_chain != -1) \
+if (repl->selected_chain != -1) \
_ch = repl->chains[repl->selected_chain]; \
_ch;})
#define ebt_print_bug(format, args...) \
__ebt_print_bug(__FILE__, __LINE__, format, ##args)
#define ebt_print_error(format,args...) __ebt_print_error(format, ##args);
-#define ebt_print_error2(format, args...) {__ebt_print_error(format, ##args); \
- return -1;}
+#define ebt_print_error2(format, args...) do {__ebt_print_error(format, ##args); \
+ return -1;} while (0)
#define ebt_check_option2(flags,mask) \
({ebt_check_option(flags,mask); \
if (ebt_errormsg[0] != '\0') \