[gnome-games] main: Don't use "unowned var"

[Alexander Mikhaylenko <alexm src gnome org>]

commit 5327f0898ceeb0a11ce07e00f2d94ed2f99bf85e
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Apr 8 21:09:57 2020 +0500

    main: Don't use "unowned var"
    
    This breaks with older valac, so specify type explicitly.

 src/main.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/main.vala b/src/main.vala
index ee72763e..bded1f53 100644
--- a/src/main.vala
+++ b/src/main.vala
@@ -6,7 +6,7 @@ int main (string[] args) {
        Intl.textdomain (Config.GETTEXT_PACKAGE);
 
        string[] empty_args = {};
-       unowned var unowned_args = empty_args;
+       unowned string[] unowned_args = empty_args;
 
        Grl.init (ref unowned_args);