[gnome-disk-utility] Placate -Wswitch-default

[Michael Catanzaro <mcatanzaro src gnome org>]

commit da0fbba262a5a88034793de864429fa2dc8bb38a
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Aug 29 15:45:07 2015 -0500

    Placate -Wswitch-default
    
    I don't like this warning but I can live with it.
    
    Surprised this is the only new one....

 src/disks/gduatasmartdialog.c  |    2 ++
 src/disks/gdubenchmarkdialog.c |    6 ++++++
 src/disks/gduvolumegrid.c      |    1 +
 src/disks/gduwindow.c          |    6 ++++++
 4 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/src/disks/gduatasmartdialog.c b/src/disks/gduatasmartdialog.c
index 9e89b71..43e1591 100644
--- a/src/disks/gduatasmartdialog.c
+++ b/src/disks/gduatasmartdialog.c
@@ -1654,6 +1654,8 @@ gdu_ata_smart_dialog_show (GduWindow    *window,
         case 2:
           refresh_do (data);
           break;
+        default:
+          g_assert_not_reached ();
         }
 
       if (response < 0)
diff --git a/src/disks/gdubenchmarkdialog.c b/src/disks/gdubenchmarkdialog.c
index 6727630..7baac8d 100644
--- a/src/disks/gdubenchmarkdialog.c
+++ b/src/disks/gdubenchmarkdialog.c
@@ -748,6 +748,9 @@ update_updated_label (DialogData *data)
       gtk_label_set_markup (GTK_LABEL (data->updated_label), s);
       g_free (s);
       break;
+
+    default:
+      g_assert_not_reached ();
     }
   G_UNLOCK (bm_lock);
 }
@@ -1657,6 +1660,9 @@ gdu_benchmark_dialog_show (GduWindow    *window,
         case 1: /* abort benchmark */
           abort_benchmark (data);
           break;
+
+        default:
+          g_assert_not_reached ();
         }
 
       if (response < 0)
diff --git a/src/disks/gduvolumegrid.c b/src/disks/gduvolumegrid.c
index 011e851..1f2d2ca 100644
--- a/src/disks/gduvolumegrid.c
+++ b/src/disks/gduvolumegrid.c
@@ -1579,6 +1579,7 @@ grid_element_set_details (GduVolumeGrid  *grid,
   switch (element->type)
     {
     case GDU_VOLUME_GRID_ELEMENT_TYPE_CONTAINER:
+    default:
       g_assert_not_reached ();
       break;
 
diff --git a/src/disks/gduwindow.c b/src/disks/gduwindow.c
index 3aadc5c..816c9bb 100644
--- a/src/disks/gduwindow.c
+++ b/src/disks/gduwindow.c
@@ -1687,6 +1687,9 @@ update_all (GduWindow *window)
     case DETAILS_PAGE_DEVICE:
       update_device_page (window, &show_flags);
       break;
+
+    default:
+      g_assert_not_reached ();
     }
   update_for_show_flags (window, &show_flags);
 }
@@ -2908,6 +2911,9 @@ update_device_page (GduWindow      *window,
             case GDU_VOLUME_GRID_ELEMENT_TYPE_FREE_SPACE:
               update_device_page_for_free_space (window, object, block, size, show_flags);
               break;
+
+            default:
+              g_assert_not_reached ();
             }
         }
     }