Merge branch 'jc/pathspec-match-const'

Two members in "struct pathspec_item" were of type "char *", but
nobody updated the string through these pointers.  They have been
made "const char *" instead.

* jc/pathspec-match-const:
  pathspec: match and original in pathspec_item are const

pathspec.c

@@ -749,8 +749,8 @@ void clear_pathspec(struct pathspec *pathspec)
 	int i, j;
 
 	for (i = 0; i < pathspec->nr; i++) {
-		free(pathspec->items[i].match);
-		free(pathspec->items[i].original);
+		free((void *)pathspec->items[i].match);
+		free((void *)pathspec->items[i].original);
 
 		for (j = 0; j < pathspec->items[i].attr_match_nr; j++)
 			free(pathspec->items[i].attr_match[j].value);

pathspec.h

@@ -35,8 +35,8 @@ struct pathspec {
 	unsigned magic;
 	int max_depth;
 	struct pathspec_item {
-		char *match;
-		char *original;
+		const char *match;
+		const char *original;
 		unsigned magic;
 		int len, prefix;
 		int nowildcard_len;