updated for version 7.3.720
Problem: Proto files are outdated.
Solution: Update the newly generated proto files.
diff --git a/src/proto/fold.pro b/src/proto/fold.pro
index 3318bbd..10f7201 100644
--- a/src/proto/fold.pro
+++ b/src/proto/fold.pro
@@ -27,7 +27,7 @@
void foldUpdate __ARGS((win_T *wp, linenr_T top, linenr_T bot));
void foldUpdateAll __ARGS((win_T *win));
int foldMoveTo __ARGS((int updown, int dir, long count));
-void foldInitWin __ARGS((win_T *newwin));
+void foldInitWin __ARGS((win_T *new_win));
int find_wl_entry __ARGS((win_T *win, linenr_T lnum));
void foldAdjustVisual __ARGS((void));
void foldAdjustCursor __ARGS((void));