[pitivi] data: Set some labels as untranslatable

[Alexandru Băluț <alexbalut src gnome org>]

commit e35b099da736a63e7d2c5b5534151ebc60f20bbc
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Fri Mar 29 22:53:41 2019 +0100

    data: Set some labels as untranslatable

 data/ui/cliptransformation.ui | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/ui/cliptransformation.ui b/data/ui/cliptransformation.ui
index 1609258e..fe91f56c 100644
--- a/data/ui/cliptransformation.ui
+++ b/data/ui/cliptransformation.ui
@@ -161,7 +161,7 @@
         <property name="layout_style">expand</property>
         <child>
           <object class="GtkButton" id="prev_keyframe_button">
-            <property name="label" translatable="yes">&lt;</property>
+            <property name="label" translatable="no">&lt;</property>
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="focus_on_click">False</property>
@@ -177,7 +177,7 @@
         </child>
         <child>
           <object class="GtkButton" id="next_keyframe_button">
-            <property name="label" translatable="yes">&gt;</property>
+            <property name="label" translatable="no">&gt;</property>
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="focus_on_click">False</property>
@@ -193,7 +193,7 @@
         </child>
         <child>
           <object class="GtkToggleButton" id="activate_keyframes_button">
-            <property name="label" translatable="yes">◇</property>
+            <property name="label" translatable="no">◇</property>
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="focus_on_click">False</property>