[byzanz] Fix (a correct) compile warning

[Benjamin Otte <otte src gnome org>]

commit fa015e2d6ffb8bd679ae9d1e8cc78871fe4f1559
Author: Benjamin Otte <otte redhat com>
Date:   Sun Feb 28 18:47:54 2010 +0100

    Fix (a correct) compile warning
    
    The code would do bad things if the input stream was closed.

 src/byzanzqueueoutputstream.c |   32 ++++++++++++++++++--------------
 1 files changed, 18 insertions(+), 14 deletions(-)
---
diff --git a/src/byzanzqueueoutputstream.c b/src/byzanzqueueoutputstream.c
index 311a206..f713bb5 100644
--- a/src/byzanzqueueoutputstream.c
+++ b/src/byzanzqueueoutputstream.c
@@ -60,6 +60,8 @@ byzanz_queue_output_stream_ensure_output (ByzanzQueueOutputStream *stream,
 					  GError **                error)
 {
   GFile *file;
+  int fd;
+  char *filename;
 
   if (stream->output_bytes == 0 && stream->output)
     {
@@ -73,21 +75,23 @@ byzanz_queue_output_stream_ensure_output (ByzanzQueueOutputStream *stream,
     return TRUE;
 
   g_async_queue_lock (stream->queue->files);
-  if (!stream->queue->input_closed) {
-    int fd;
-    char *filename;
-
-    fd = g_file_open_tmp ("byzanzcacheXXXXXX", &filename, error);
-    if (fd < 0) {
-      file = NULL;
-    } else {
-      close (fd);
-      file = g_file_new_for_path (filename);
-      g_free (filename);
-      g_object_ref (file);
-      g_async_queue_push_unlocked (stream->queue->files, file);
-    }
+
+  if (stream->queue->input_closed) {
+    g_async_queue_unlock (stream->queue->files);
+    return TRUE;
   }
+
+  fd = g_file_open_tmp ("byzanzcacheXXXXXX", &filename, error);
+  if (fd < 0) {
+    file = NULL;
+  } else {
+    close (fd);
+    file = g_file_new_for_path (filename);
+    g_free (filename);
+    g_object_ref (file);
+    g_async_queue_push_unlocked (stream->queue->files, file);
+  }
+
   g_async_queue_unlock (stream->queue->files);
 
   if (file == NULL)