patch 8.2.0517: Vim9: cannot separate "func" and "func(): void"

Problem:    Vim9: cannot separate "func" and "func(): void".
Solution:   Use VAR_ANY for "any" and VAR_UNKNOWN for "no type".
diff --git a/src/viminfo.c b/src/viminfo.c
index c1339f0..b014d7f 100644
--- a/src/viminfo.c
+++ b/src/viminfo.c
@@ -1344,6 +1344,7 @@
 		    case VAR_SPECIAL: s = "XPL"; break;
 
 		    case VAR_UNKNOWN:
+		    case VAR_ANY:
 		    case VAR_VOID:
 		    case VAR_FUNC:
 		    case VAR_PARTIAL: