[PATCH v2 2/3][GSOC] diff: use is_dot_or_dotdot() instead of strcmp()

[Hiroyuki Sano <sh19910711@gmail.com>]

The is_dot_or_dotdot() is used to check if the string is either "." or "..".
Include the "dir.h" header file to use is_dot_or_dotdot().

Signed-off-by: Hiroyuki Sano <sh19910711@gmail.com>
---
 diff-no-index.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/diff-no-index.c b/diff-no-index.c
index 20b6a8a..8e642b3 100644
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -11,6 +11,7 @@
 #include "tag.h"
 #include "diff.h"
 #include "diffcore.h"
+#include "dir.h"
 #include "revision.h"
 #include "log-tree.h"
 #include "builtin.h"
@@ -25,7 +26,7 @@ static int get_path_list(const char *path, struct string_list *list)
 		return error("Could not open directory %s", path);
 
 	while ((e = readdir(dir)))
-		if (strcmp(".", e->d_name) && strcmp("..", e->d_name))
+		if (!is_dot_or_dotdot(e->d_name))
 			string_list_insert(list, e->d_name);
 
 	closedir(dir);
-- 
1.9.0