rename field "raw" to "_raw" in struct pathspec

This patch is essentially no-op. It helps catching new use of this
field though. This field is introduced as an intermediate step for the
pathspec conversion and will be removed eventually. At this stage no
more access sites should be introduced.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/pathspec.c b/pathspec.c
index 3d1386d..da802e2 100644
--- a/pathspec.c
+++ b/pathspec.c
@@ -287,7 +287,7 @@
 		raw[0] = prefix;
 		raw[1] = NULL;
 		pathspec->nr = 1;
-		pathspec->raw = raw;
+		pathspec->_raw = raw;
 		return;
 	}
 
@@ -297,7 +297,7 @@
 
 	pathspec->nr = n;
 	pathspec->items = item = xmalloc(sizeof(*item) * n);
-	pathspec->raw = argv;
+	pathspec->_raw = argv;
 	prefixlen = prefix ? strlen(prefix) : 0;
 
 	for (i = 0; i < n; i++) {
@@ -357,7 +357,7 @@
 		       PATHSPEC_ALL_MAGIC & ~PATHSPEC_FROMTOP,
 		       PATHSPEC_PREFER_CWD,
 		       prefix, pathspec);
-	return ps.raw;
+	return ps._raw;
 }
 
 void copy_pathspec(struct pathspec *dst, const struct pathspec *src)