sound volume fixes, remove warnings, translation update for string

freeze

src/gui/qt/sound/sdlplayer.cpp

@@ -125,7 +125,7 @@ void SDLPlayer::playSound(string audioString, int playerID)
 
 
 			// set channel 0 to settings volume
-			Mix_Volume(0,myConfig->readConfigInt("SoundVolume")*10);
+			Mix_Volume(-1,myConfig->readConfigInt("SoundVolume")*10);
 
 			// set 3d effect
 			if(!Mix_SetPosition(0, position, distance)) {

src/gui/qt/sound/soundevents.h

@@ -15,8 +15,8 @@ public:
 
 private:
 	SDLPlayer *mySDLPlayer;
-	gameTableImpl *myW;
 	ConfigFile *myConfig;
+	gameTableImpl *myW;
 
 	unsigned int lastSBValue;
 	unsigned int lastSBLevel;