update Makefile + fix warnings

1 files changed, 1 insertions, 1 deletions

diff --git a/src/defs.h b/src/defs.h
index 9123750..e263789 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -130,7 +130,7 @@ typedef struct {
 	void (*fn)(void);
 } CommandEntry;
 
-extern void centre_window();
+extern void centre_window(void);
 extern void close_focused(void);
 extern void dec_gaps(void);
 extern void focus_next(void);