makepkg: do not strip bzr+ from bzr+ssh urls

bzr does not recognize bare ssh:// urls.

Fixes FS#41811

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

scripts/makepkg.sh.in

@@ -446,7 +446,9 @@ download_bzr() {
 	local netfile=$1
 
 	local url=$(get_url "$netfile")
-	url=${url##*bzr+}
+	if [[ $url != bzr+ssh* ]]; then
+		url=${url##*bzr+}
+	fi
 	url=${url%%#*}
 
 	local repo=$(get_filename "$netfile")