ecere/gui/drivers/XInterface: Fixed re-clicking DropBox to hide pulldown
- Had to comment out XInitThreads() to prevent deadlocks (Non recursive locks?)
- Since we are never calling X from multiple threads concurrently and we're not calling X(Un)LockDisplay either, this seems to be the way to go
- Also improved fullscreen useability on GNOME Flashback by ignoring FocusIn on our windows following a FocusOut