patch 8.0.0443: terminal width is set to 80 in test3

Problem:    Terminal width is set to 80 in test3.
Solution:   Instead of setting 'columns' set 'wrapmargin' depending on
            'columns.
diff --git a/src/version.c b/src/version.c
index 0f7b4e4..5a58f43 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    443,
+/**/
     442,
 /**/
     441,