updated couple files that were left out

Author: VitanovG

gresources/nemo-desktop-overlay.glade

@@ -118,6 +118,11 @@
       </row>
       <row>
         <col id="0">2</col>
+        <col id="1" translatable="yes">Extension</col>
+        <col id="2">Desktop Sort by Extension</col>
+      </row>
+      <row>
+        <col id="0">3</col>
         <col id="1" translatable="yes">Size</col>
         <col id="2">Desktop Sort by Size</col>
       </row>

gresources/nemo-file-management-properties.glade

@@ -163,6 +163,9 @@ along with .  If not, see <http://www.gnu.org/licenses/>.
       <row>
         <col id="0" translatable="yes">By Name</col>
       </row>
+      <row>
+        <col id="0" translatable="yes">By Extension</col>
+      </row>
       <row>
         <col id="0" translatable="yes">By Size</col>
       </row>
@@ -191,12 +194,15 @@ along with .  If not, see <http://www.gnu.org/licenses/>.
     <data>
       <row>
         <col id="0" translatable="yes">33%</col>
+      </row>
+       <row>
+        <col id="0" translatable="yes">45%</col>
       </row>
       <row>
-        <col id="0" translatable="yes">50%</col>
+        <col id="0" translatable="yes">60%</col>
       </row>
       <row>
-        <col id="0" translatable="yes">66%</col>
+        <col id="0" translatable="yes">75%</col>
       </row>
       <row>
         <col id="0" translatable="yes">100%</col>

src/nemo-desktop-overlay.c

@@ -198,6 +198,9 @@ sync_controls (NemoDesktopOverlay *overlay,
         active_id = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (action));
 
         switch (active_id) {
+            case NEMO_FILE_SORT_BY_EXTENSION_NAME:
+                combo_id = "Desktop Sort by Extension";
+                break;
             case NEMO_FILE_SORT_BY_SIZE:
                 combo_id = "Desktop Sort by Size";
                 break;

src/nemo-file-management-properties.c

@@ -140,6 +140,7 @@ static const char * const zoom_values[] = {
 
 static const char * const sort_order_values[] = {
 	"name",
+	"extension",
 	"size",
 	"type",
     "detailed_type",

src/nemo-list-view.c

@@ -244,6 +244,7 @@ get_default_sort_order (NemoFile *file, gboolean *reversed)
 	const char *attributes[] = {
 		"name", /* is really "manually" which doesn't apply to lists */
 		"name",
+		"extension",
 		"size",
 		"type",
 		"detailed_type",