patch 8.0.1447: still too many old style tests

Problem:    Still too many old style tests.
Solution:   Turn a few tests into new style. (Yegappan Lakshmanan,
            closes #2509)
diff --git a/src/version.c b/src/version.c
index e727c4a..94d58f8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1447,
+/**/
     1446,
 /**/
     1445,