patch 8.2.1828: build failure without the +eval feature

Problem:    Build failure without the +eval feature.
Solution:   Add dummys for ex_block and ex_endblock.
diff --git a/src/version.c b/src/version.c
index 590de0b..abec6fb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1828,
+/**/
     1827,
 /**/
     1826,