[gnome-shell] shell: Add default case to switch statements

[Florian Müllner <fmuellner src gnome org>]

commit 3e105747360b66612fd2e2d140da4dae5e842dfd
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Sep 23 19:10:16 2015 +0200

    shell: Add default case to switch statements
    
    ... to shut up a compiler warning.

 src/shell-app-system.c |    3 +++
 src/shell-app.c        |    3 +++
 src/shell-perf-log.c   |    3 +++
 3 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/src/shell-app-system.c b/src/shell-app-system.c
index a6ddbf2..9c3e865 100644
--- a/src/shell-app-system.c
+++ b/src/shell-app-system.c
@@ -348,6 +348,9 @@ _shell_app_system_notify_app_state_changed (ShellAppSystem *self,
     case SHELL_APP_STATE_STOPPED:
       g_hash_table_remove (self->priv->running_apps, app);
       break;
+    default:
+      g_warn_if_reached();
+      break;
     }
   g_signal_emit (self, signals[APP_STATE_CHANGED], 0, app);
 }
diff --git a/src/shell-app.c b/src/shell-app.c
index 2fb6cfd..4f1fe10 100644
--- a/src/shell-app.c
+++ b/src/shell-app.c
@@ -491,6 +491,9 @@ shell_app_activate_full (ShellApp      *app,
       case SHELL_APP_STATE_RUNNING:
         shell_app_activate_window (app, NULL, timestamp);
         break;
+      default:
+        g_assert_not_reached();
+        break;
     }
 }
 
diff --git a/src/shell-perf-log.c b/src/shell-perf-log.c
index 3c68a77..5cf0cbb 100644
--- a/src/shell-perf-log.c
+++ b/src/shell-perf-log.c
@@ -672,6 +672,9 @@ shell_perf_log_collect_statistics (ShellPerfLog *perf_log)
               statistic->recorded = TRUE;
             }
           break;
+        default:
+          g_warning ("Unsupported signature in event");
+          break;
         }
     }