virPipeImpl: Don't overwrite error

If WITH_PIPE2 is not defined we attempt to set the pipe to nonblocking
operation after they are created. We errorneously rewrote the existing
error message on failure to do so or even reported an error if quiet
mode was requested.

Fixes: ab36f72947
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

src/util/virutil.c

@@ -1924,8 +1924,6 @@ virPipeImpl(int fds[2], bool nonblock, bool errreport)
             if (errreport)
                 virReportSystemError(errno, "%s",
                                      _("Unable to set pipes to non-blocking"));
-            virReportSystemError(errno, "%s",
-                                 _("Unable to create pipes"));
             VIR_FORCE_CLOSE(fds[0]);
             VIR_FORCE_CLOSE(fds[1]);
             return -1;