Allow text to scale to fit

Change-Id: Iacd4bb78f551b51d092ecde09521b5541e7dadcd
diff --git a/gui/slider.cpp b/gui/slider.cpp
index a388447..6ee2024 100644
--- a/gui/slider.cpp
+++ b/gui/slider.cpp
@@ -80,6 +80,7 @@
 		sSliderLabel->GetCurrentBounds(w, h);
 		int sTextY = mRenderY + ((mRenderH - h) / 2);
 		sSliderLabel->SetRenderPos(sTextX, sTextY);
+		sSliderLabel->SetMaxWidth(mRenderW);
 	}
 	if (sTouch && sTouch->GetResource())
 	{