Ah, forgot to commit this as part of the last commit: new signal, readOnlyChanged.

I don't think it's a big problem that it's in 3.3-branch (to avoid branching one more file).

svn path=/branches/KDE_3_3_BRANCH/kdepim/; revision=360074

folderstorage.h

@@ -421,6 +421,9 @@ signals:
   /** Emitted when the name of the folder changes. */
   void nameChanged();
 
+  /** Emitted when the readonly status of the folder changes. */
+  void readOnlyChanged(KMFolder*);
+
   /** Emitted before a message is removed from the folder. */
   void msgRemoved(KMFolder*, Q_UINT32 sernum);