[aravis] gv_device: plug GFile leak

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 7d4d90e381ba0dd472048efcd11736ef2065bae8
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Thu May 29 21:00:58 2014 +0200

    gv_device: plug GFile leak

 src/arvgvdevice.c |   16 +++++++++-------
 1 files changed, 9 insertions(+), 7 deletions(-)
---
diff --git a/src/arvgvdevice.c b/src/arvgvdevice.c
index 0da61e9..39667f5 100644
--- a/src/arvgvdevice.c
+++ b/src/arvgvdevice.c
@@ -619,23 +619,25 @@ _load_genicam (ArvGvDevice *gv_device, guint32 address, size_t  *size)
                                }
                        }
         } else if (g_ascii_strcasecmp (tokens[1], "http:") == 0) {
-                       GFile *gfile;
+                       GFile *file;
                        GFileInputStream *stream;
 
-                       gfile = g_file_new_for_uri(filename);
-                       stream = g_file_read(gfile, NULL, NULL);
+                       file = g_file_new_for_uri (filename);
+                       stream = g_file_read (file, NULL, NULL);
                        if(stream) {
-                               GDataInputStream *dstream;
+                               GDataInputStream *data_stream;
                                gsize len;
-                               dstream = g_data_input_stream_new ((GInputStream*) stream);
-                               genicam = g_data_input_stream_read_upto (dstream, "", 0, &len, NULL, NULL);
+
+                               data_stream = g_data_input_stream_new (G_INPUT_STREAM (stream));
+                               genicam = g_data_input_stream_read_upto (data_stream, "", 0, &len, NULL, 
NULL);
 
                                if (genicam)
                                        *size = len;
 
-                               g_object_unref (dstream);
+                               g_object_unref (data_stream);
                                g_object_unref (stream);
                        }
+                       g_object_unref (file);
                }
        }