main/lib: mark unused variables

Bringing in the meson infrastructure will enable extra warnings,
including -Wunused...

Directly reference the two locations that have known unused arguments.

Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.c b/src/main.c
index f0f71ba..14197eb 100644
--- a/src/main.c
+++ b/src/main.c
@@ -47,7 +47,7 @@ static void usage(const char *argv0)
 /* Necessary for and only used by signal handler. */
 static struct events *sigint_events;
 
-static void sigint_handler(int signal)
+static void sigint_handler(int signal __attribute__((unused)))
 {
 	/* Stop the main loop when the user presses CTRL-C */
 	events_stop(sigint_events);