[Thrift] message debugging for std::exceptions

std::exceptions did not have debug messages printed

reviewed by dreiss
test plan: compiles


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665389 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/src/server/TThreadPoolServer.cpp b/lib/cpp/src/server/TThreadPoolServer.cpp
index 355bf8e..9f710f5 100644
--- a/lib/cpp/src/server/TThreadPoolServer.cpp
+++ b/lib/cpp/src/server/TThreadPoolServer.cpp
@@ -54,6 +54,8 @@
       //cerr << "TThreadPoolServer client died: " << ttx.what() << endl;
     } catch (TException& x) {
       cerr << "TThreadPoolServer exception: " << x.what() << endl;
+    } catch (std::exception &x) {
+      cerr << "TThreadPoolServer, std::exception: " << x.what() << endl;
     } catch (...) {
       cerr << "TThreadPoolServer uncaught exception." << endl;
     }