[PATCH 09/14] opt_arg(): val is always non-NULL

opt_arg() is never called with val set to NULL, so remove the code for
handling that eventuality (which anyway wasn't handled consistently in
the function).

Signed-off-by: Michael Haggerty <redacted>
---
 diff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff.c b/diff.c
index a350677..6e3f498 100644
--- a/diff.c
+++ b/diff.c

@@ -3367,7 +3367,7 @@ static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *va
 		c = *++arg;
 		if (!c)
 			return 1;
-		if (val && isdigit(c)) {
+		if (isdigit(c)) {
 			char *end;
 			int n = strtoul(arg, &end, 10);
 			if (*end)

-- 
2.1.4