patch 8.1.0619: :echomsg and :echoerr do not handle List and Dict

Problem:    :echomsg and :echoerr do not handle List and Dict like :echo does.
            (Daniel Hahler)
Solution:   Be more tolerant about the expression result type.
diff --git a/src/version.c b/src/version.c
index 1612f9d..b1a28c1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -800,6 +800,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    619,
+/**/
     618,
 /**/
     617,