implemented a safety check for low disc space, and safe drop of disk access if too low

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2968 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/notifyqt.cpp

@@ -51,6 +51,13 @@ std::string NotifyQt::askForPassword(const std::string& key_details,bool prev_is
 	return res ;
 }
 
+void NotifyQt::notifyDiskFull(uint32_t loc,uint32_t size_in_mb)
+{
+	std::cerr << "Notifyqt:: notified that disk is full" << std::endl ;
+
+	emit diskFull(loc,size_in_mb) ;
+}
+
 void NotifyQt::notifyOwnStatusMessageChanged()
 {
         #ifdef NOTIFY_DEBUG