Documentation: Allow custom diff tools to be specified in 'diff.tool'

diff --git a/dir.h b/dir.h
index b3e2104b9f231fbed88f98df12ad48d0d9992130..72a764ed84828e4a6336d2880f2167fbc9d3143a 100644 (file)
--- a/dir.h
+++ b/dir.h
@@ -78,6 +78,7 @@ extern int add_excludes_from_file_to_list(const char *fname, const char *base, i
 extern void add_excludes_from_file(struct dir_struct *, const char *fname);
 extern void add_exclude(const char *string, const char *base,
                        int baselen, struct exclude_list *which);
+extern void free_excludes(struct exclude_list *el);
 extern int file_exists(const char *);
 
 extern char *get_relative_cwd(char *buffer, int size, const char *dir);