include stdint.h for int32_t/uint32_t

Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
Reviewed-by: Yong Bakos <ybakos@humanoriented.com>
diff --git a/libweston/dbus.c b/libweston/dbus.c
index cadedd9..36815db 100644
--- a/libweston/dbus.c
+++ b/libweston/dbus.c
@@ -35,6 +35,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/epoll.h>