patch 8.1.1970: search stat space wrong, no test for 8.1.1965

Problem:    Search stat space wrong, no test for 8.1.1965.
Solution:   Fix check for cmd_silent.  Add a test. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 655b68a..7b3fff0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1970,
+/**/
     1969,
 /**/
     1968,