Fix segmentation fault with KDE 4.2.
Fix segmentation fault with KDE 4.2.

* subversion/libsvn_auth_kwallet/kwallet.cpp
  (): Include <QtCore/QCoreApplication>.
  (kwallet_password_get, kwallet_password_set): Create a QCoreApplication
   instance if it doesn't exist.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@875811 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion