Fix errors reported by the `yoda` ESLint rule

http://eslint.org/docs/rules/yoda

src/core/crypto.js

@@ -2057,17 +2057,17 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
         return new NullCipher();
       };
     }
-    if ('V2' === cfm.name) {
+    if (cfm.name === 'V2') {
       return function cipherTransformFactoryBuildCipherConstructorV2() {
         return new ARCFourCipher(buildObjectKey(num, gen, key, false));
       };
     }
-    if ('AESV2' === cfm.name) {
+    if (cfm.name === 'AESV2') {
       return function cipherTransformFactoryBuildCipherConstructorAESV2() {
         return new AES128Cipher(buildObjectKey(num, gen, key, true));
       };
     }
-    if ('AESV3' === cfm.name) {
+    if (cfm.name === 'AESV3') {
       return function cipherTransformFactoryBuildCipherConstructorAESV3() {
         return new AES256Cipher(key);
       };

src/display/canvas.js

@@ -1780,13 +1780,13 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       this.save();
       this.baseTransformStack.push(this.baseTransform);
 
-      if (isArray(matrix) && 6 === matrix.length) {
+      if (isArray(matrix) && matrix.length === 6) {
         this.transform.apply(this, matrix);
       }
 
       this.baseTransform = this.ctx.mozCurrentTransform;
 
-      if (isArray(bbox) && 4 === bbox.length) {
+      if (isArray(bbox) && bbox.length === 4) {
         var width = bbox[2] - bbox[0];
         var height = bbox[3] - bbox[1];
         this.ctx.rect(bbox[0], bbox[1], width, height);
@@ -1947,7 +1947,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
                                                              matrix) {
       this.save();
 
-      if (isArray(rect) && 4 === rect.length) {
+      if (isArray(rect) && rect.length === 4) {
         var width = rect[2] - rect[0];
         var height = rect[3] - rect[1];
         this.ctx.rect(rect[0], rect[1], width, height);