built-in diff.

diff --git a/builtin.h b/builtin.h
index 47408a0585d270c67edeb2edcd637c20e19beb34..52ffa526f801af2a0be65c2722fc64b33577b60d 100644 (file)
--- a/builtin.h
+++ b/builtin.h
@@ -19,5 +19,6 @@ extern int cmd_version(int argc, const char **argv, char **envp);
 extern int cmd_whatchanged(int argc, const char **argv, char **envp);
 extern int cmd_show(int argc, const char **argv, char **envp);
 extern int cmd_log(int argc, const char **argv, char **envp);
+extern int cmd_diff(int argc, const char **argv, char **envp);
 
 #endif