Merge branch 'jk/date-c-double-semicolon'

* jk/date-c-double-semicolon:
  drop redundant semicolon in empty while

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++) {