getIndentation fix

Author: arperry

lib/rules/jsx-closing-bracket-location.js

@@ -155,11 +155,11 @@ module.exports = {
     function getIndentation(tokens, expectedLocation) {
       switch (expectedLocation) {
         case 'props-aligned':
-          return /^\s*/.exec(sourceCode[tokens.lastProp.lastLine])[0];
+          return /^\s*/.exec(sourceCode.lines[tokens.lastProp.lastLine])[0];
         case 'tag-aligned':
-          return /^\s*/.exec(sourceCode[tokens.opening.line])[0];
+          return /^\s*/.exec(sourceCode.lines[tokens.opening.line])[0];
         case 'line-aligned':
-          return /^\s*/.exec(sourceCode[tokens.openingStartOfLine.line])[0];
+          return /^\s*/.exec(sourceCode.lines[tokens.openingStartOfLine.line])[0];
         default:
           return '';
       }