patch 8.0.0562: not enough test coverage for syntax commands

Problem:    Not enough test coverage for syntax commands.
Solution:   Add a few more tests. (Dominique Pelle, closes #1624)
diff --git a/src/version.c b/src/version.c
index 91ef1f3..1681694 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    562,
+/**/
     561,
 /**/
     560,