Update tern (0.13 to 0.20)

closure.js

@@ -286,16 +286,16 @@ function getFnType(node) {
   if (node.type == 'VariableDeclaration') {
     var decl = node.declarations[0];
     if (decl.init && decl.init.type == 'FunctionExpression') {
-      return decl.init.body.scope.fnType;
+      return decl.init.scope.fnType;
     }
   } else if (node.type == 'FunctionDeclaration') {
-    return node.body.scope.fnType;
+    return node.scope.fnType;
   } else if (node.type == 'AssignmentExpression' &&
       node.right.type == 'FunctionExpression') {
-    return node.right.body.scope.fnType;
+    return node.right.scope.fnType;
   } else if (node.value && node.value.type == 'FunctionExpression') {
     // Object property.
-    return node.value.body.scope.fnType;
+    return node.value.scope.fnType;
   }
   return null;
 }

package.json

@@ -9,7 +9,7 @@
     "doctrine": "^0.5.2"
   },
   "peerDependencies": {
-    "tern": "^0.13.0"
+    "tern": "^0.20.0"
   },
   "devDependencies": {
     "chai": "^1.9.1",