[PATCH] tests: Fix -Werror=format-zero-length build failure

[Christophe Fergeau <cfergeau@xxxxxxxxxx>]

replay.c: In function 'replay_channel_event':
replay.c:226:16: error: zero-length gnu_printf format string
[-Werror=format-zero-length]
     g_printerr("");
---
 server/tests/replay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/tests/replay.c b/server/tests/replay.c
index efa97e9..c1a53b1 100644
--- a/server/tests/replay.c
+++ b/server/tests/replay.c
@@ -223,7 +223,7 @@ static QXLInterface display_sif = {
 
 static void replay_channel_event(int event, SpiceChannelEventInfo *info)
 {
-    g_printerr("");
+    g_printerr("channel event");
 
     if (info->type == SPICE_CHANNEL_DISPLAY &&
         event == SPICE_CHANNEL_EVENT_INITIALIZED) {
-- 
2.5.0

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