patch 8.2.0259: terminal in popup test sometimes fails

Problem:    Terminal in popup test sometimes fails.
Solution:   Clear the command line.
diff --git a/src/version.c b/src/version.c
index 2720dc6..7dacf84 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    259,
+/**/
     258,
 /**/
     257,