Add missing device deconfiguration-on-error statements to the host mode demos and projects.

Demos/Host/ClassDriver/AudioInputHost/AudioInputHost.c

@@ -174,6 +174,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Error Enabling Audio Stream.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 
@@ -184,6 +185,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Error Setting Audio Sampling Frequency.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 

Demos/Host/ClassDriver/AudioOutputHost/AudioOutputHost.c

@@ -182,6 +182,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Error Enabling Audio Stream.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 	
@@ -192,6 +193,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Error Setting Audio Sampling Frequency.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 

Demos/Host/ClassDriver/JoystickHostWithParser/JoystickHostWithParser.c

@@ -206,6 +206,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Error Setting Report Protocol Mode or Not a Valid Joystick.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 

Demos/Host/ClassDriver/KeyboardHost/KeyboardHost.c

@@ -202,6 +202,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Could not Set Boot Protocol Mode.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 

Demos/Host/ClassDriver/KeyboardHostWithParser/KeyboardHostWithParser.c

@@ -228,6 +228,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Error Setting Report Protocol Mode or Not a Valid Keyboard.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 

Demos/Host/ClassDriver/MouseHost/MouseHost.c

@@ -185,6 +185,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Could not Set Boot Protocol Mode.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 

Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c

@@ -215,6 +215,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 	{
 		puts_P(PSTR("Error Setting Report Protocol Mode or Not a Valid Mouse.\r\n"));
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}
 

Demos/Host/LowLevel/AudioOutputHost/AudioOutputHost.c

@@ -134,6 +134,7 @@ void EVENT_USB_Host_DeviceEnumerationComplete(void)
 		                         " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
 
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+		USB_Host_SetDeviceConfiguration(0);
 		return;
 	}