core: make sure all source files end with a single blank line.

src/dimensions.js

@@ -25,4 +25,4 @@ jQuery.each([ "Height", "Width" ], function(i, name){
 function num(elem, prop) {
 	elem = elem.jquery ? elem[0] : elem;
 	return elem && parseInt( jQuery.curCSS(elem, prop, true), 10 ) || 0;
-}
+}

src/offset.js

@@ -162,4 +162,4 @@ jQuery.each( ['Left', 'Top'], function(i, name) {
 					document.body[ 'scroll' + name ] :
 				this[0][ 'scroll' + name ];
 	};
-});
+});

src/selector.js

@@ -1,4 +1,3 @@
-
 var chars = jQuery.browser.safari && parseInt(jQuery.browser.version) < 417 ?
 		"(?:[\\w*_-]|\\\\.)" :
 		"(?:[\\w\u0128-\uFFFF*_-]|\\\\.)",
@@ -449,5 +448,3 @@ jQuery.extend({
 		return r;
 	}
 });
-
-