added "body" for correct json schema

Author: cmgmyr

lib/Github/Api/Gist/Comments.php

@@ -22,12 +22,12 @@ public function show($gist, $comment)
 
     public function create($gist, $body)
     {
-        return $this->post('gists/'.rawurlencode($gist).'/comments', array($body));
+        return $this->post('gists/'.rawurlencode($gist).'/comments', array('body' => $body));
     }
 
     public function update($gist, $comment_id, $body)
     {
-        return $this->patch('gists/'.rawurlencode($gist).'/comments/'.rawurlencode($comment_id), array($body));
+        return $this->patch('gists/'.rawurlencode($gist).'/comments/'.rawurlencode($comment_id), array('body' => $body));
     }
 
     public function remove($gist, $comment)

test/Github/Tests/Api/Gist/CommentsTest.php

@@ -48,7 +48,7 @@ public function shouldCreateGistComment()
         $api = $this->getApiMock();
         $api->expects($this->once())
             ->method('post')
-            ->with('gists/123/comments', array('Test body'))
+            ->with('gists/123/comments', array('body' => 'Test body'))
             ->will($this->returnValue($expectedValue));
 
         $this->assertEquals($expectedValue, $api->create('123', 'Test body'));
@@ -60,7 +60,7 @@ public function shouldCreateGistComment()
     public function shouldUpdateGistComment()
     {
         $expectedValue = array('comment1data');
-        $data = array('body test');
+        $data = array('body' => 'body test');
 
         $api = $this->getApiMock();
         $api->expects($this->once())