Guard against controller instances without any inputs.

Clean up OS X keyboard key names.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6985 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/InputCommon/Src/ControllerInterface/ControllerInterface.cpp

@@ -505,6 +505,9 @@ ControllerInterface::Device::Control* ControllerInterface::InputReference::Detec
 	unsigned int time = 0;
 	bool* const states = new bool[device->Inputs().size()];
 
+	if (device->Inputs().size() == 0)
+		return NULL;
+
 	// get starting state of all inputs, 
 	// so we can ignore those that were activated at time of Detect start
 	std::vector<Device::Input*>::const_iterator