qemu-nbd: Don't use qerror_report()

qerror_report() is a transitional interface to help with converting
existing HMP commands to QMP.  It should not be used elsewhere.
Replace by error_report().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/qemu-nbd.c b/qemu-nbd.c
index cd6bd50..ba60436 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -223,7 +223,7 @@
     int fd = inet_listen(address_and_port, NULL, 0, SOCK_STREAM, 0, &local_err);
 
     if (local_err != NULL) {
-        qerror_report_err(local_err);
+        error_report("%s", error_get_pretty(local_err));
         error_free(local_err);
     }
     return fd;
@@ -235,7 +235,7 @@
     int fd = unix_listen(path, NULL, 0, &local_err);
 
     if (local_err != NULL) {
-        qerror_report_err(local_err);
+        error_report("%s", error_get_pretty(local_err));
         error_free(local_err);
     }
     return fd;
@@ -247,7 +247,7 @@
     int fd = unix_connect(path, &local_err);
 
     if (local_err != NULL) {
-        qerror_report_err(local_err);
+        error_report("%s", error_get_pretty(local_err));
         error_free(local_err);
     }
     return fd;