Fix compilation warning by including cairo-xcb

diff --git a/i3lock.c b/i3lock.c
index 5df9f268beb5c46f7542e97d7c69a146da69747a..94846bf40f5df3a13b9c9ccc50be51033886f0ae 100644 (file)
--- a/i3lock.c
+++ b/i3lock.c
@@ -17,6 +17,7 @@
 #include <xcb/xcb_keysyms.h>
 #include <err.h>
 #include <cairo.h>
+#include <cairo/cairo-xcb.h>
 #include <assert.h>
 #include <security/pam_appl.h>
 /* FIXME: can we get rid of this header? */