[gimp] plug-ins: fix warning.

[Jehan <jehanp src gnome org>]

commit 642e47efaa5bdafaac94f480dce8f3d1141316a4
Author: Jehan <jehan girinstud io>
Date:   Tue Sep 17 11:21:19 2019 +0200

    plug-ins: fix warning.
    
    Fix the following warning for missing case values:
    > enumeration value ‘WEBKIT_LOAD_REDIRECTED’ not handled in switch
    (same for WEBKIT_LOAD_COMMITTED)

 plug-ins/help-browser/dialog.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/plug-ins/help-browser/dialog.c b/plug-ins/help-browser/dialog.c
index f1832aca9b..0a54f4aa60 100644
--- a/plug-ins/help-browser/dialog.c
+++ b/plug-ins/help-browser/dialog.c
@@ -1126,6 +1126,10 @@ load_changed (WebKitWebView   *view,
       update_actions ();
       select_index (webkit_web_view_get_uri (view));
       break;
+
+    case WEBKIT_LOAD_REDIRECTED:
+    case WEBKIT_LOAD_COMMITTED:
+      break;
     }
 }