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-rw-r--r--procps/pidof.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/procps/pidof.c b/procps/pidof.c
index 86d1957a6..46e646d6e 100644
--- a/procps/pidof.c
+++ b/procps/pidof.c
@@ -17,7 +17,7 @@ enum {
};
int pidof_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int pidof_main(int argc, char **argv)
+int pidof_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
unsigned first = 1;
unsigned opt;