patch 8.0.0543: test_edit causes older xfce4-terminal to close

Problem:    Test_edit causes older xfce4-terminal to close. (Dominique Pelle)
Solution:   Reduce number of columns to 2000.  Try to restore the window
            position.

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    543,
 /**/
     542,
 /**/