gpu/mali: fix get_unused_fd build issue

New kernel should use get_unused_fd_flags instead of get_unused_fd.

Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
diff --git a/drivers/gpu/arm/utgard/linux/mali_sync.c b/drivers/gpu/arm/utgard/linux/mali_sync.c
index 68868ca..dc1e3a2 100644
--- a/drivers/gpu/arm/utgard/linux/mali_sync.c
+++ b/drivers/gpu/arm/utgard/linux/mali_sync.c
@@ -18,6 +18,7 @@
 #include <linux/file.h>
 #include <linux/seq_file.h>
 #include <linux/module.h>
+#include <linux/fcntl.h>
 
 struct mali_sync_pt {
 	struct sync_pt         sync_pt;
@@ -298,7 +299,7 @@
 {
 	s32 fd = -1;
 
-	fd = get_unused_fd();
+	fd = get_unused_fd_flags(O_CLOEXEC);
 	if (fd < 0) {
 		sync_fence_put(sync_fence);
 		return -1;