Merge pull request #132 from surik/patch-1

Fix ibrowse_http_client.erl
diff --git a/src/ibrowse_http_client.erl b/src/ibrowse_http_client.erl
index b9e6c97..abe0aab 100644
--- a/src/ibrowse_http_client.erl
+++ b/src/ibrowse_http_client.erl
@@ -1923,7 +1923,7 @@
     end.
 
 make_req_id() ->
-    case catch erlang:unqiue_integer() of
+    case catch erlang:unique_integer() of
         {'EXIT', _} ->
             erlang:apply(erlang, now, []);
         V ->