patch 8.0.1625: test_quotestar is flaky when run in GTK GUI

Problem:    Test_quotestar is flaky when run in GTK GUI.
Solution:   Do not call lose_selection when invoked from
            selection_clear_event().
diff --git a/src/version.c b/src/version.c
index bc0cff3..3c57f0a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -767,6 +767,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1625,
+/**/
     1624,
 /**/
     1623,