Fix double free of stuburl
Fix double free of stuburl

Signed-off-by: David Woodhouse <b460d66aaf00c296a3db1c1d9eeafc081d5f7d70@intel.com>

sihde/openconnect,ldx/android_external_openconnect,lins05/openconnect,liiir1985/openconnect,liiir1985/openconnect,liiir1985/openconnect,brandt/openconnect,don-johnny/openconnect,matlockx/openconnect,lins05/openconnect,neshema/openconnect,atyndall/openconnect,nmav/openconnect-mine,pbrook/openconnect,mtmiller/openconnect,matlockx/openconnect,cernekee/openconnect,don-johnny/openconnect,cernekee/openconnect,brandt/openconnect,mtmiller/openconnect,matlockx/openconnect,certik/openconnect,neshema/openconnect,mtmiller/openconnect,chadcatlett/openconnect,certik/openconnect,sihde/openconnect,chadcatlett/openconnect,atyndall/openconnect,mtmiller/openconnect,lins05/openconnect,liiir1985/openconnect,neshema/openconnect,nmav/openconnect-mine,neshema/openconnect,mveplus/openconnect-client,chadcatlett/openconnect,cernekee/openconnect,atyndall/openconnect,mdutton3/OpenConnect,brandt/openconnect,chadcatlett/openconnect,certik/openconnect,ldx/android_external_openconnect,lins05/openconnect,mveplus/openconnect-client,pbrook/openconnect,atyndall/openconnect,mveplus/openconnect-client,don-johnny/openconnect,sihde/openconnect,don-johnny/openconnect,mveplus/openconnect-client,mdutton3/OpenConnect,brandt/openconnect,matlockx/openconnect,mdutton3/OpenConnect,nmav/openconnect-mine,nmav/openconnect-mine,cernekee/openconnect