[gegl] lua: fix cairo save/restore balance

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 347b08fed958ece2a497147c54d8838f534d39cc
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Apr 4 04:10:56 2019 +0200

    lua: fix cairo save/restore balance
    
    A missing cr:restore() was causing the client side drawn titlebar of
    gtk+ to be offset under wayland.

 bin/lua/viewer.lua | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/bin/lua/viewer.lua b/bin/lua/viewer.lua
index 97799920e..a8070935f 100644
--- a/bin/lua/viewer.lua
+++ b/bin/lua/viewer.lua
@@ -308,12 +308,6 @@ if o.is_video ~= 0 then
     event:stop_propagate()
   end)
   cr:new_path()
-
-  
-
-
-
-
 end
 
 
@@ -396,3 +390,5 @@ mrg:add_binding("control-y", NULL, "toggle display profile",
 
 mrg:add_binding("control-delete", NULL, "discard",
   function() ffi.C.argvs_eval ("discard") end)
+
+cr:restore()