Fix missing export of RetryDelayCurve

Author: jonsterling

docs/Network.HTTP.Affjax.md

@@ -144,6 +144,14 @@ delete_ :: forall e. URL -> Affjax e Unit
 
 Makes a `DELETE` request to the specified URL and ignores the response.
 
+#### `RetryDelayCurve`
+
+``` purescript
+type RetryDelayCurve = Int -> Int
+```
+
+A sequence of retry delays, in milliseconds.
+
 #### `RetryPolicy`
 
 ``` purescript

src/Network/HTTP/Affjax.purs

@@ -10,6 +10,7 @@ module Network.HTTP.Affjax
   , post, post_, post', post_'
   , put, put_, put', put_'
   , delete, delete_
+  , RetryDelayCurve()
   , RetryPolicy(..)
   , defaultRetryPolicy
   , retry