Change mime type to application/msgpack

AFMsgPackSerialization/AFMsgPackRequestSerializer.m

@@ -59,7 +59,7 @@ - (NSURLRequest *)requestBySerializingRequest:(NSURLRequest *)request
         return mutableRequest;
     }
 
-    [mutableRequest setValue:@"application/x-msgpack" forHTTPHeaderField:@"Content-Type"];
+    [mutableRequest setValue:@"application/msgpack" forHTTPHeaderField:@"Content-Type"];
     [mutableRequest setHTTPBody:[MsgPackSerialization dataWithMsgPackObject:parameters options:self.writingOptions error:error]];
 
     return mutableRequest;

AFMsgPackSerialization/AFMsgPackResponseSerializer.h

@@ -28,7 +28,7 @@
 
  By default, `AFMsgPackSerializer` accepts the following MIME types:
 
- - `application/x-msgpack`
+ - `application/msgpack`
  */
 @interface AFMsgPackResponseSerializer : AFHTTPResponseSerializer
 

AFMsgPackSerialization/AFMsgPackResponseSerializer.m

@@ -41,7 +41,7 @@ - (instancetype)init {
         return nil;
     }
 
-    self.acceptableContentTypes = [NSSet setWithObjects:@"application/x-msgpack", nil];
+    self.acceptableContentTypes = [NSSet setWithObjects:@"application/msgpack", nil];
 
     return self;
 }