Whitespace and minor code cleanup

This is by no means comprehensive, but is quite a bit better already.

Change-Id: Ibc8654a5dfb0eec39cbd0b64bdb52bb4fbfe2f7e
diff --git a/gui/slider.cpp b/gui/slider.cpp
index 6926765..98d2dde 100644
--- a/gui/slider.cpp
+++ b/gui/slider.cpp
@@ -134,7 +134,7 @@
 	switch (state)
 	{
 	case TOUCH_START:
-		if (x >= mRenderX && x <= mRenderX + sTouchW && 
+		if (x >= mRenderX && x <= mRenderX + sTouchW &&
 			y >= mRenderY && y <= mRenderY + mRenderH)
 		{
 			sCurTouchX = x - (sTouchW / 2);