Make lazy mkdir more robust.

diff --git a/read-cache.c b/read-cache.c
index 3c32aae7e8ae63bccad83a603f2b86c66965cd26..a50d3612c84d10da35b0b0e1278ecea899a4ec15 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -748,7 +748,7 @@ int read_cache(void)
                die("index file open failed (%s)", strerror(errno));
        }
 
-       size = 0; // avoid gcc warning
+       size = 0; /* avoid gcc warning */
        map = MAP_FAILED;
        if (!fstat(fd, &st)) {
                size = st.st_size;