[Patch] Commit dialogue is out of screen

[Nguyễn Hồng Quân <quannguyen mbm vn>]

Hi all,
Here is the patch to fix the bug related to VC ui:
When committing many files in VC, the dialogue become out of screen when
the list of file is too long.

diff --git a/data/ui/vcview.ui b/data/ui/vcview.ui
index 87b1f7b..acf00c3 100644
--- a/data/ui/vcview.ui
+++ b/data/ui/vcview.ui
@@ -287,23 +287,35 @@
                 <property name="label_yalign">0.5</property>
                 <property name="shadow_type">GTK_SHADOW_ETCHED_IN</property>
                 <child>
-                  <object class="GtkLabel" id="changedfiles">
-                    <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="label" translatable="yes"/>
-                    <property name="use_underline">False</property>
-                    <property name="use_markup">False</property>
-                    <property name="justify">GTK_JUSTIFY_LEFT</property>
-                    <property name="wrap">True</property>
-                    <property name="selectable">True</property>
-                    <property name="xalign">0</property>
-                    <property name="yalign">0</property>
-                    <property name="xpad">0</property>
-                    <property name="ypad">0</property>
-                    <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
-                    <property name="width_chars">-1</property>
-                    <property name="single_line_mode">False</property>
-                    <property name="angle">0</property>
+                  <object class="GtkScrolledWindow" id="scrolledwindow_changed">
+                    <property name="border_width">10</property>
+                    <property name="height_request">150</property>
+                    <property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+                    <property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+                    <child>
+                      <object class="GtkViewport" id="viewport_changed">
+                        <child>
+                          <object class="GtkLabel" id="changedfiles">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="label" translatable="yes"/>
+                            <property name="use_underline">False</property>
+                            <property name="use_markup">False</property>
+                            <property name="justify">GTK_JUSTIFY_LEFT</property>
+                            <property name="wrap">True</property>
+                            <property name="selectable">True</property>
+                            <property name="xalign">0</property>
+                            <property name="yalign">0</property>
+                            <property name="xpad">0</property>
+                            <property name="ypad">0</property>
+                            <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
+                            <property name="width_chars">-1</property>
+                            <property name="single_line_mode">False</property>
+                            <property name="angle">0</property>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
                   </object>
                 </child>
                 <child type="label">