add brackets to logical expression (fix #1629)

Author: MaBecker

tests/test_array_access.js

@@ -1,4 +1,4 @@
 // https://github.com/espruino/Espruino/issues/290
 var arr = ["a"];
-result = ((arr[true] === undefined) === true) &&
-          ((arr[false] === undefined) === true);
+result = (((arr[true] === undefined) === true) &&
+          ((arr[false] === undefined) === true));

tests/test_array_big_indices.js

@@ -9,5 +9,5 @@ objb["1233456789012345"]=true;
 var rb = JSON.stringify(objb);
 
 
-result = ra=="{\"1233456789012345\":\"yes\"}" &&
-         rb=="{\"1233456789012345\":true}";
+result = ( ra=="{\"1233456789012345\":\"yes\"}" &&
+         rb=="{\"1233456789012345\":true}" );

tests/test_function_length.js

@@ -1,8 +1,8 @@
 
 
-result = (function () {}).length === 0 &&
+result = ((function () {}).length === 0 &&
 	(function (a) {}).length === 1 &&
 	(function (a,b) {}).length === 2 &&
-	(function (a,b,c,d,e,f,g,h) {}).length === 8;
+	(function (a,b,c,d,e,f,g,h) {})).length === 8;
 
 

tests/test_object_proto.js

@@ -1,6 +1,6 @@
 // https://github.com/espruino/Espruino/issues/381
 
-result = 
+result = (
   Array.prototype === [].__proto__ &&
   String.prototype === "".__proto__ &&
-  Number.prototype === (5).__proto__;
+  Number.prototype === (5).__proto__ );