Fix: Fix manual calculation of a type parameter's start

- use `name` field instead of `typeName` (fixes eslint#260)

Author: Igorbek

Diff for: lib/ast-converter.js

@@ -632,8 +632,8 @@ module.exports = function(ast, extra) {
                      * Have to manually calculate the start of the range,
                      * because TypeScript includes leading whitespace but Flow does not
                      */
-                    var typeParameterStart = (typeParameter.typeName && typeParameter.typeName.text)
-                        ? typeParameter.end - typeParameter.typeName.text.length
+                    var typeParameterStart = (typeParameter.name && typeParameter.name.text)
+                        ? typeParameter.name.end - typeParameter.name.text.length
                         : typeParameter.pos;
 
                     var defaultParameter = typeParameter.default

Diff for: tests/fixtures/typescript/basics/export-default-class-with-multiple-generics.result.js

@@ -72,13 +72,13 @@ module.exports = {
                                     "line": 1
                                 },
                                 "start": {
-                                    "column": 23,
+                                    "column": 24,
                                     "line": 1
                                 }
                             },
                             "name": "U",
                             "range": [
-                                23,
+                                24,
                                 25
                             ],
                             "type": "TypeParameter",

Diff for: tests/fixtures/typescript/basics/export-named-class-with-multiple-generics.result.js

@@ -89,13 +89,13 @@ module.exports = {
                                     "line": 1
                                 },
                                 "start": {
-                                    "column": 19,
+                                    "column": 20,
                                     "line": 1
                                 }
                             },
                             "name": "U",
                             "range": [
-                                19,
+                                20,
                                 21
                             ],
                             "type": "TypeParameter",

Diff for: tests/fixtures/typescript/basics/function-with-type-parameters-that-have-comments.result.js

@@ -65,12 +65,12 @@ module.exports = {
                         line: 1
                     },
                     start: {
-                        column: 17,
+                        column: 28,
                         line: 1
                     }
                 },
                 name: "T",
-                range: [17, 29],
+                range: [28, 29],
                 type: "TypeParameter"
             }],
             range: [16, 30],