Resolves: tdf#150706 don't warn about user cancelling export

Change-Id: Ibcc6efd8ae13d27aa66da57348efe5f06f67efb6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141008
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/sfx2/source/doc/objserv.cxx b/sfx2/source/doc/objserv.cxx
index 4434e3c..9398787 100644
--- a/sfx2/source/doc/objserv.cxx
+++ b/sfx2/source/doc/objserv.cxx
@@ -992,7 +992,7 @@ void SfxObjectShell::ExecFile_Impl(SfxRequest &rReq)
            }
            catch( const task::ErrorCodeIOException& aErrorEx )
            {
                TOOLS_WARN_EXCEPTION( "sfx.doc", "Fatal IO error during save");
                TOOLS_WARN_EXCEPTION_IF(ErrCode(aErrorEx.ErrCode) != ERRCODE_IO_ABORT, "sfx.doc", "Fatal IO error during save");
                nErrorCode = ErrCode(aErrorEx.ErrCode);
            }
            catch( Exception& )