add a slider to control the wiimote speaker volume which is stored in sysconf.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7273 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/DolphinWX/Src/ConfigMain.h

@@ -116,6 +116,7 @@ private:
 
 		ID_WII_BT_BAR,
 		ID_WII_BT_SENS,
+		ID_WII_BT_SPKV,
 		ID_WII_BT_MOT,
 		ID_WII_WIIMOTE_RECONNECT,
 
@@ -218,6 +219,7 @@ private:
 	// Wiimote
 	wxChoice* WiiSensBarPos;
 	wxSlider* WiiSensBarSens;
+	wxSlider* WiimoteSpkVolume;
 	wxCheckBox* WiimoteMotor;
 	wxCheckBox* WiimoteReconnectOnLoad;