updated for version 7.3.720
Problem: Proto files are outdated.
Solution: Update the newly generated proto files.
diff --git a/src/proto/screen.pro b/src/proto/screen.pro
index be791e0..6809da9 100644
--- a/src/proto/screen.pro
+++ b/src/proto/screen.pro
@@ -31,8 +31,8 @@
void screen_draw_rectangle __ARGS((int row, int col, int height, int width, int invert));
void screen_fill __ARGS((int start_row, int end_row, int start_col, int end_col, int c1, int c2, int attr));
void check_for_delay __ARGS((int check_msg_scroll));
-int screen_valid __ARGS((int clear));
-void screenalloc __ARGS((int clear));
+int screen_valid __ARGS((int doclear));
+void screenalloc __ARGS((int doclear));
void free_screenlines __ARGS((void));
void screenclear __ARGS((void));
int can_clear __ARGS((char_u *p));