[gnome-subtitles: 1/2] Fix #152 - Rename video Length to Duration

[Pedro Castro <pcastro src gnome org>]

commit 49e22fd246d7bb3825303427d27fc46d784dfd34
Author: Pedro Castro <pedro gnomesubtitles org>
Date:   Mon Mar 9 22:13:21 2020 +0000

    Fix #152 - Rename video Length to Duration
    
    Also cleaned up some tab characters.

 src/Glade/MainWindow.ui | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/Glade/MainWindow.ui b/src/Glade/MainWindow.ui
index 0c7813f..881c61a 100644
--- a/src/Glade/MainWindow.ui
+++ b/src/Glade/MainWindow.ui
@@ -1267,7 +1267,7 @@
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
                             <property name="halign">start</property>
-                            <property name="label" translatable="yes">Length   </property>
+                            <property name="label" translatable="yes">Duration</property>
                             <attributes>
                               <attribute name="weight" value="bold"/>
                             </attributes>
@@ -1366,7 +1366,7 @@
                             <property name="can_focus">True</property>
                             <property name="receives_default">False</property>
                             <property name="events">GDK_BUTTON_RELEASE_MASK | GDK_KEY_RELEASE_MASK | 
GDK_STRUCTURE_MASK</property>
-                            <property name="tooltip_text" translatable="yes">Sets the subtitle Start and End 
while the video is playing. Keep the button pressed for the duration of each subtitle.    </property>
+                            <property name="tooltip_text" translatable="yes">Sets the subtitle Start and End 
while the video is playing. Keep the button pressed for the duration of each subtitle.</property>
                             <property name="relief">none</property>
                             <signal name="button-release-event" 
handler="OnVideoSetSubtitleStartEndButtonRelease" swapped="no"/>
                             <signal name="event" handler="OnVideoSetSubtitleStartEndButtonPress" 
swapped="no"/>