worktree: prepare for more checks of whether path can become worktree

diff --git a/pathspec.h b/pathspec.h
index 099a170c2ef6eb01bee98c7ebf638f34655fda86..a6525a65517bd08921ad836880184048e93c4cfa 100644 (file)
--- a/pathspec.h
+++ b/pathspec.h
@@ -1,6 +1,8 @@
 #ifndef PATHSPEC_H
 #define PATHSPEC_H
 
+struct index_state;
+
 /* Pathspec magic */
 #define PATHSPEC_FROMTOP       (1<<0)
 #define PATHSPEC_MAXDEPTH      (1<<1)