- removed the string constructors from FSoundID.

Due to C++ conversion rules this was a bit too volatile. There's really not enough places where being able to pass a string directly into the sound API was beneficial - the two most frequent functions now got overloaded variants.

src/common/scripting/backend/codegen.cpp

@@ -1475,7 +1475,7 @@ FxExpression *FxSoundCast::Resolve(FCompileContext &ctx)
 		if (basex->isConstant())
 		{
 			ExpVal constval = static_cast<FxConstant *>(basex)->GetValue();
-			FxExpression *x = new FxConstant(FSoundID(constval.GetString()), ScriptPosition);
+			FxExpression *x = new FxConstant(S_FindSound(constval.GetString()), ScriptPosition);
 			delete this;
 			return x;
 		}

src/common/scripting/core/types.cpp

@@ -1351,7 +1351,7 @@ bool PSound::ReadValue(FSerializer &ar, const char *key, void *addr) const
 	}
 	else
 	{
-		*(FSoundID *)addr = FSoundID(cptr);
+		*(FSoundID *)addr = S_FindSound(cptr);
 		return true;
 	}
 }