patch 8.2.0632: crash when using Haiku

Problem:    Crash when using Haiku.
Solution:   Lock the screen. (closes #5975, closes #5973)

src/screen.c

@@ -3881,6 +3881,10 @@ screen_del_lines(
 	clip_scroll_selection(line_count);
 #endif
 
+#ifdef FEAT_GUI_HAIKU
+    vim_lock_screen();
+#endif
+
 #ifdef FEAT_GUI
     // Don't update the GUI cursor here, ScreenLines[] is invalid until the
     // scrolling is actually carried out.

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    632,
 /**/
     631,
 /**/