urlmatch.h: fix include guard

newren · gitster · commit 64e68a3b326f · 2018-08-15T11:52:09.000-07:00
Reviewed-by: Jonathan Nieder &lt;jrnieder@gmail.com&gt;
Signed-off-by: Elijah Newren &lt;newren@gmail.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/urlmatch.h b/urlmatch.h
@@ -1,4 +1,6 @@
 #ifndef URL_MATCH_H
+#define URL_MATCH_H
+
 #include "string-list.h"
 
 struct url_info {
