Whitespace fixes.

Author: jvennix-r7

lib/rex/exploitation/javascriptosdetect.js

@@ -212,13 +212,12 @@ window.os_detect.getVersion = function(){
 		} else if ('imul' in Math) {
 			ua_version = '20.0'
 		} else if (css_is_valid('font-size', 'fontSize', '23vmax')) {
-			// this is fuxored
 			ua_version = '19.0'
 		} else if ('devicePixelRatio' in window) {
 			ua_version = '18.0'
 		} else if ('createElement' in document &&
 		           document.createElement('iframe') &&
-                   'sandbox' in document.createElement('iframe')) {
+		           'sandbox' in document.createElement('iframe')) {
 			ua_version = '17.0'
 		} else if ('mozApps' in navigator && 'install' in navigator.mozApps) {
 			ua_version = '16.0'
@@ -234,7 +233,7 @@ window.os_detect.getVersion = function(){
 			ua_version = "12.0";
 		} else if ('mozVibrate' in navigator) {
 			ua_version = "11.0";
-		} else if (css_is_valid('-moz-backface-visibility', 'MozBackfaceVisibility', 'preserve-3d')) {
+		} else if (css_is_valid('-moz-backface-visibility', 'MozBackfaceVisibility', 'hidden')) {
 			ua_version = "10.0";
 		} else if ('doNotTrack' in navigator) {
 			ua_version = "9.0";