patch 8.2.1415: closing a popup window with CTRL-C interrupts 'statusline'

Problem:    Closing a popup window with CTRL-C interrupts 'statusline' if it
            calls a function.
Solution:   Reset got_int while redrawing. (closes #6675)
diff --git a/src/popupwin.c b/src/popupwin.c
index cc0843b..ff9e810 100644
--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -3209,7 +3209,14 @@
 	    res = invoke_popup_filter(wp, c);
 
     if (must_redraw > was_must_redraw)
+    {
+	int save_got_int = got_int;
+
+	// Reset got_int to avoid a function used in the statusline aborts.
+	got_int = FALSE;
 	redraw_after_callback(FALSE);
+	got_int |= save_got_int;
+    }
     recursive = FALSE;
     KeyTyped = save_KeyTyped;
     return res;