patch 8.2.0224: compiling :elseif not tested yet

Problem:    compiling :elseif not tested yet.
Solution:   Add test for :elseif.  Fix generating jumps.
diff --git a/src/version.c b/src/version.c
index e76bdea..3cb8bc2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    224,
+/**/
     223,
 /**/
     222,