[PATCH] drop redundant semicolon in empty while

The extra semi-colon is harmless, since we really do want
the while loop to do nothing. But it does trigger a warning
from clang.

Signed-off-by: Jeff King <redacted>
---
 date.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/date.c b/date.c
index 29f1540..83b4166 100644
--- a/date.c
+++ b/date.c

@@ -907,7 +907,7 @@ static const char *approxidate_alpha(const char *date, struct tm *tm, struct tm
 	const char *end = date;
 	int i;
 
-	while (isalpha(*++end));
+	while (isalpha(*++end))
 		;
 
 	for (i = 0; i < 12; i++) {

-- 
1.8.4.1.898.g8bf8a41.dirty