aufs: possible bugfix, for userspace use limits.h instead of linux/limits.h

Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
(cherry picked from commit 9e47f923ad8bf55c272fed3d3699fa5df14b6f72)

include/uapi/linux/aufs_type.h

@@ -20,13 +20,13 @@
 #define pr_fmt(fmt) \
 		AUFS_NAME " %s:%d:%.*s[%d]: " fmt, __func__, __LINE__, \
 		(int)sizeof(current->comm), current->comm, current->pid
+#include <linux/limits.h>
 #else
 #include <stdint.h>
 #include <sys/types.h>
+#include <limits.h>
 #endif /* __KERNEL__ */
 
-#include <linux/limits.h>
-
 #define AUFS_VERSION	"5.x-rcN"
 
 /* todo? move this to linux-2.6.19/include/magic.h */