[gnome-maps] instructionRow: Use sidebar icon style for direction icons

[Marcus Lundblad <mlundblad src gnome org>]

commit 8bd78a9fddcbfd6f3d012f56ee727d887258ac9f
Author: Marcus Lundblad <ml update uu se>
Date:   Thu Sep 14 21:06:50 2017 +0200

    instructionRow: Use sidebar icon style for direction icons
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783602

 data/ui/instruction-row.ui |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/instruction-row.ui b/data/ui/instruction-row.ui
index 72ed4a1..9525477 100644
--- a/data/ui/instruction-row.ui
+++ b/data/ui/instruction-row.ui
@@ -19,6 +19,9 @@
             <property name="margin-end">2</property>
             <!-- width: 32 + spacing * 2 -->
             <property name="width-request">44</property>
+            <style>
+              <class name="sidebar-icon"/>
+            </style>
           </object>
           <packing>
             <property name="expand">False</property>