Fix slidervalue not showing up in some cases

The button vibration slider was not showing up on portrat layouts.
This commit fixes that issue and maybe some other issues.

Change-Id: Ia0c0ed319358db3b99887b3b37aa7737c7caf0cc

gui/slidervalue.cpp

@@ -181,6 +181,7 @@ GUISliderValue::GUISliderValue(xml_node<>* node) : GUIObject(node)
 		{
 			string parsevalue = gui_parse_text(attr->value());
 			mPadding = atoi(parsevalue.c_str());
+			mLinePadding = mPadding;
 		}
 
 		attr = child->first_attribute("sliderw");
@@ -208,7 +209,6 @@ GUISliderValue::GUISliderValue(xml_node<>* node) : GUIObject(node)
 
 	loadValue(true);
 
-	mLinePadding = mPadding;
 	if (mShowRange)
 	{
 		int textW = std::max(measureText(mMaxStr), measureText(mMinStr));