Fix compiler warnings

xkbset.h:44:1: warning: function declaration isn’t a prototype
usage.c:33:6: warning: old-style function definition

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

2 files changed, 2 insertions, 2 deletions

diff --git a/usage.c b/usage.c
index 7e818b1..0afa2d7 100644
--- a/usage.c
+++ b/usage.c
@@ -30,7 +30,7 @@ POSSIBILITY OF SUCH DAMAGE.
 
 #include "xkbset.h"
 
-void print_usage()
+void print_usage(void)
 {
   printf("Usage: To set or unset various options:\n");
   printf("\n");
diff --git a/xkbset.h b/xkbset.h
index ad50e64..9ab730c 100644
--- a/xkbset.h
+++ b/xkbset.h
@@ -41,4 +41,4 @@ void print_controls(XkbControlsPtr ctrls);
 void print_controls_in_line(XkbControlsPtr ctrls);
 void print_expire_controls(XkbControlsPtr ctrls);
 void print_expire_controls_in_line(XkbControlsPtr ctrls);
-void print_usage();
+void print_usage(void);