build: Comply with -Wextra compiler flag

This reduces the risk for some bugs, for instance due to
signed/unsigned mismatches and unused variables.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/tools/irm/irm_ipcp.c b/src/tools/irm/irm_ipcp.c
index 1b523feb..9d7d9532 100644
--- a/src/tools/irm/irm_ipcp.c
+++ b/src/tools/irm/irm_ipcp.c
@@ -34,6 +34,9 @@ static void usage()
 
 static int do_help(int argc, char **argv)
 {
+        (void) argc;
+        (void) argv;
+
         usage();
         return 0;
 }