git-gui: Correct window title for hook failure dialogs

During i18n translation work this message was partially broken
by using "append" instead of "strcat" to join the two different
parts of the message together.

Signed-off-by: Shawn O. Pearce <redacted>

diff --git a/lib/error.tcl b/lib/error.tcl
index 13565b7ab02b22123f0b7b9000dc1f4a993994b0..712d21755317d879ea89996edc12e58c3df411d3 100644 (file)
--- a/lib/error.tcl
+++ b/lib/error.tcl
@@ -99,6 +99,6 @@ proc hook_failed_popup {hook msg} {
 
        bind $w <Visibility> "grab $w; focus $w"
        bind $w <Key-Return> "destroy $w"
-       wm title $w [append "[appname] ([reponame]): " [mc "error"]]
+       wm title $w [strcat "[appname] ([reponame]): " [mc "error"]]
        tkwait window $w
 }