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-rw-r--r--src/tools/irm/irm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tools/irm/irm.c b/src/tools/irm/irm.c
index 1c75a7a5..be758098 100644
--- a/src/tools/irm/irm.c
+++ b/src/tools/irm/irm.c
@@ -27,7 +27,7 @@
#include "irm_ops.h"
#include "irm_utils.h"
-static void usage()
+static void usage(void)
{
printf("Usage: irm [OPERATION]\n\n"
"where OPERATION = {ipcp bind unbind\n"