erlang: Don't catch exits in thrift_processor

They are not handled properly, so the exit backtrace gets lost.
Just ignore them and let them kill the process naturally.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@990984 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/erl/src/thrift_processor.erl b/lib/erl/src/thrift_processor.erl
index 913e59b..4ae0fd7 100644
--- a/lib/erl/src/thrift_processor.erl
+++ b/lib/erl/src/thrift_processor.erl
@@ -69,7 +69,7 @@
         %%                       [Function, Params, Micro/1000.0]),
         handle_success(State, Function, Result)
     catch
-        Type:Data ->
+        Type:Data when Type =:= throw orelse Type =:= error ->
             handle_function_catch(State, Function, Type, Data)
     end,
     after_reply(OProto).