fs: fix cast in fsparam_u32hex() macro

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

include/linux/fs_parser.h

@@ -120,7 +120,7 @@ static inline bool fs_validate_description(const char *name,
 #define fsparam_u32oct(NAME, OPT) \
 			__fsparam(fs_param_is_u32, NAME, OPT, 0, (void *)8)
 #define fsparam_u32hex(NAME, OPT) \
-			__fsparam(fs_param_is_u32_hex, NAME, OPT, 0, (void *16))
+			__fsparam(fs_param_is_u32_hex, NAME, OPT, 0, (void *)16)
 #define fsparam_s32(NAME, OPT)	__fsparam(fs_param_is_s32, NAME, OPT, 0, NULL)
 #define fsparam_u64(NAME, OPT)	__fsparam(fs_param_is_u64, NAME, OPT, 0, NULL)
 #define fsparam_enum(NAME, OPT, array)	__fsparam(fs_param_is_enum, NAME, OPT, 0, array)