gtkmountoperation-x11: unbreak compilation on OpenBSD.

Add missing header to prevent undeclared definitions.
Bug #659565

diff --git a/gtk/gtkmountoperation-x11.c b/gtk/gtkmountoperation-x11.c
index 1663a028a47a1a4d36130f479ba24b9f20a7cf9c..52bce316a47ee47e2c70fdd7d0721a59352494f9 100644 (file)
--- a/gtk/gtkmountoperation-x11.c
+++ b/gtk/gtkmountoperation-x11.c
@@ -43,6 +43,7 @@
 #include <errno.h>
 
 #if defined(__OpenBSD__)
+#include <sys/param.h>
 #include <kvm.h>
 #include <fcntl.h>
 #include <sys/sysctl.h>