*: optimize code size in strtoul calls

function                                             old     new   delta
bb_parse_mode                                        433     431      -2
rtnl_rtntype_a2n                                     202     198      -4
ParseField                                           511     498     -13
bb_init_module_24                                   4730    4675     -55
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-74)             Total: -74 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libbb/parse_mode.c b/libbb/parse_mode.c
index 40105dd3a..6eca00ab1 100644
--- a/libbb/parse_mode.c
+++ b/libbb/parse_mode.c
@@ -40,7 +40,7 @@ int FAST_FUNC bb_parse_mode(const char *s, mode_t *current_mode)
         mode_t new_mode;
         char op;
 
-        if (((unsigned int)(*s - '0')) < 8) {
+        if ((unsigned char)(*s - '0') < 8) {
                 unsigned long tmp;
                 char *e;