mtd: oobtest: correct printf() format specifier for 'size_t'

Fixes warning:

   drivers/mtd/tests/oobtest.c: In function 'memcmpshow':
   drivers/mtd/tests/oobtest.c:129: warning: format '%x' expects type 'unsigned int', but argument 3 has type 'size_t'

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/tests/oobtest.c b/drivers/mtd/tests/oobtest.c
index 1fd2cdad85f0..5e061186eab1 100644
--- a/drivers/mtd/tests/oobtest.c
+++ b/drivers/mtd/tests/oobtest.c
@@ -132,7 +132,7 @@ static size_t memcmpshow(loff_t addr, const void *cs, const void *ct, size_t cou
         for (su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--, i++) {
                 res = *su1 ^ *su2;
                 if (res) {
-                        pr_info("error @addr[0x%lx:0x%x] 0x%x -> 0x%x diff 0x%x\n",
+                        pr_info("error @addr[0x%lx:0x%zx] 0x%x -> 0x%x diff 0x%x\n",
                                 (unsigned long)addr, i, *su1, *su2, res);
                         bitflips += hweight8(res);
                 }