Merge branch 'fixes-from-the-git-mailing-list'

These fixes have been sent to the Git mailing list but have not been
picked up by the Git project yet.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

grep.c

@@ -1646,6 +1646,8 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
 
 	bol = gs->buf;
 	left = gs->size;
+	if (left && gs->buf[left-1] == '\n')
+		left--;
 	while (left) {
 		const char *eol;
 		int hit;