When undoing a reload, move the cursor to the first changed line.
diff --git a/src/proto/undo.pro b/src/proto/undo.pro
index 2cb149f..f6741c6 100644
--- a/src/proto/undo.pro
+++ b/src/proto/undo.pro
@@ -17,6 +17,7 @@
void ex_undolist __ARGS((exarg_T *eap));
void ex_undojoin __ARGS((exarg_T *eap));
void u_unchanged __ARGS((buf_T *buf));
+void u_find_first_changed __ARGS((void));
void u_update_save_nr __ARGS((buf_T *buf));
void u_clearall __ARGS((buf_T *buf));
void u_saveline __ARGS((linenr_T lnum));