[polari] roomStack: Escape slashes in template strings

[Florian Müllner <fmuellner src gnome org>]

commit b904143ee90cba551bbc1c2b53b2d1f54f156c66
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Apr 19 12:38:00 2019 +0200

    roomStack: Escape slashes in template strings
    
    ... to avoid xgettext tripping over slashes/backticks when
    adding/removing template strings.
    
    https://gitlab.gnome.org/GNOME/polari/merge_requests/115

 src/roomStack.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/roomStack.js b/src/roomStack.js
index c8a1450..0b9e2ea 100644
--- a/src/roomStack.js
+++ b/src/roomStack.js
@@ -135,7 +135,7 @@ class SavePasswordConfirmationBar extends Gtk.Revealer {
             valign: Gtk.Align.CENTER,
             wrap: true
         });
-        this._titleLabel.set_markup(`<b>${title}</b>`);
+        this._titleLabel.set_markup(`<b>${title}<${'/'}b>`);
         box.add(this._titleLabel);
 
         let accountName = this._room.account.display_name;
@@ -172,7 +172,7 @@ class ChatPlaceholder extends Gtk.Overlay {
             halign: Gtk.Align.START,
             margin_start: 14
         });
-        title.label = `<span letter_spacing="4500">${_('Polari')}</span>`;
+        title.label = `<span letter_spacing="4500">${_('Polari')}<${'/'}span>`;
         title.get_style_context().add_class('polari-background-title');
 
         let description = new Gtk.Label({