[PATCH 06/10] diff.c: emit_line_0 can handle no color

[Stefan Beller <stefanbeller@xxxxxxxxx>]

From: Stefan Beller <sbeller@xxxxxxxxxx>

---
 diff.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/diff.c b/diff.c
index 87b1bb2..2aefd0f 100644
--- a/diff.c
+++ b/diff.c
@@ -473,11 +473,13 @@ static void emit_line_0(struct diff_options *o, const char *set, const char *res
 	}
 
 	if (len || !nofirst) {
-		fputs(set, file);
+		if (set)
+			fputs(set, file);
 		if (!nofirst)
 			fputc(first, file);
 		fwrite(line, len, 1, file);
-		fputs(reset, file);
+		if (reset)
+			fputs(reset, file);
 	}
 	if (has_trailing_carriage_return)
 		fputc('\r', file);
-- 
2.7.4