add missing throw in pipe backend

diff --git a/modules/pipebackend/pipebackend.cc b/modules/pipebackend/pipebackend.cc
index 7806093d423203c2faf98db39b94f5f41fab1d23..c4518d11723bb2e9a6da83918f4c63cdf9edb884 100644 (file)
--- a/modules/pipebackend/pipebackend.cc
+++ b/modules/pipebackend/pipebackend.cc
@@ -104,6 +104,7 @@ PipeBackend::PipeBackend(const string &suffix)
    }
    catch(const ArgException &A) {
       L<<Logger::Error<<kBackendId<<" Unable to launch, fatal argument error: "<<A.reason<<endl;
+      throw;
    }
    catch(...) {
       throw;