[patch] x86/ldt: silence a static checker warning

[Dan Carpenter]

It likely doesn't make a difference but my static checker complains
that we put an upper bound on "size" but not a lower bound.  Let's just
make it unsigned.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 6707039b..e25b668 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -34,7 +34,7 @@ static void flush_ldt(void *current_mm)
 }
 
 /* The caller must call finalize_ldt_struct on the result. LDT starts zeroed. */
-static struct ldt_struct *alloc_ldt_struct(int size)
+static struct ldt_struct *alloc_ldt_struct(unsigned int size)
 {
 	struct ldt_struct *new_ldt;
 	int alloc_size;