lib/test_vmalloc.c: use unsigned long constant

Use an unsigned long constant instead of an int constant and a cast.  This
fixes the checkpatch warning

WARNING: Unnecessary typecast of c90 int constant - '(unsigned long) 1' could be '1UL'
+     align = ((unsigned long) 1) << i;

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Martin Kaiser <[email protected]>
Reviewed-by: Uladzislau Rezki (Sony) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: martin-kaiser

lib/test_vmalloc.c

@@ -117,7 +117,7 @@ static int align_shift_alloc_test(void)
 	int i;
 
 	for (i = 0; i < BITS_PER_LONG; i++) {
-		align = ((unsigned long) 1) << i;
+		align = 1UL << i;
 
 		ptr = __vmalloc_node(PAGE_SIZE, align, GFP_KERNEL|__GFP_ZERO, 0,
 				__builtin_return_address(0));