jsHint cleanups in gesture.js, touch.js, and Scroller.js

Enyo-DCO-1.0-Signed-Off-By: Ben Combee (ben.combee@palm.com)

source/touch/Scroller.js

@@ -52,8 +52,8 @@ enyo.kind({
 			strategy:
 
 			* <a href="#enyo.ScrollStrategy">ScrollStrategy</a> is the default
-			    and implements no scrolling, relying instead on the environment
-			    to scroll properly.
+				and implements no scrolling, relying instead on the environment
+				to scroll properly.
 			
 			* <a href="#enyo.TouchScrollStrategy">TouchScrollStrategy</a>
 				implements a touch scrolling mechanism.
@@ -104,7 +104,7 @@ enyo.kind({
 		],
 		//* Returns true if platform should have touch events.
 		hasTouchScrolling: function() {
-			for (var i=0, t, m; t=this.osInfo[i]; i++) {
+			for (var i=0, t, m; (t=this.osInfo[i]); i++) {
 				if (enyo.platform[t.os]) {
 					return true;
 				}
@@ -115,7 +115,7 @@ enyo.kind({
 			browsers always have them).
 		*/
 		hasNativeScrolling: function() {
-			for (var i=0, t, m; t=this.osInfo[i]; i++) {
+			for (var i=0, t, m; (t=this.osInfo[i]); i++) {
 				if (enyo.platform[t.os] < t.version) {
 					return false;
 				}

source/touch/gesture.js

@@ -62,14 +62,14 @@
 			}
 		},
 		findIdentifiedTouch: function(inTouches, inId) {
-			for (var i = 0, t; t = inTouches[i]; i++) {
+			for (var i = 0, t; (t = inTouches[i]); i++) {
 				if (t.identifier === inId) {
 					return t;
 				}
 			}
 		},
 		gesturePositions: function(inEvent) {
-			var first = this.findIdentifiedTouch(inEvent.touches, this.orderedTouches[0])
+			var first = this.findIdentifiedTouch(inEvent.touches, this.orderedTouches[0]);
 			var last = this.findIdentifiedTouch(inEvent.touches, this.orderedTouches[this.orderedTouches.length - 1]);
 			var fx = first.pageX, lx = last.pageX, fy = first.pageY, ly = last.pageY;
 			// center the first touch as 0,0
@@ -101,7 +101,7 @@
 			return {
 				magnitude: p.h,
 				xcenter: Math.abs(Math.round(p.fx + (p.x / 2))),
-				ycenter: Math.abs(Math.round(p.fy + (p.y / 2))),
+				ycenter: Math.abs(Math.round(p.fy + (p.y / 2)))
 			};
 		},
 		makeGesture: function(inType, inEvent, inCache) {
@@ -126,5 +126,5 @@
 				rotation: rotation
 			});
 		}
-	}
+	};
 })();

source/touch/touch.js

@@ -85,7 +85,7 @@ enyo.requiresWindow(function() {
 				if (x>0 && y>0 && x<=o.width && y<=o.height) {
 					//console.log("IN: " + n.id + " -> [" + x + "," + y + " in " + o.width + "x" + o.height + "] (children: " + n.childNodes.length + ")");
 					var target;
-					for (var n$=n.childNodes, i=n$.length-1, c; c=n$[i]; i--) {
+					for (var n$=n.childNodes, i=n$.length-1, c; (c=n$[i]); i--) {
 						target = this.findTargetTraverse(c, inX, inY);
 						if (target) {
 							return target;