[aravis] tests: fix compilation warnings in genicam unit test

[Emmanuel Pacaud <emmanuel src gnome org>]

commit c85c89fb2f959bf9d13c46f1b944ad9b52f633ff
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Wed Aug 20 00:21:35 2014 +0200

    tests: fix compilation warnings in genicam unit test

 tests/genicam.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/tests/genicam.c b/tests/genicam.c
index d179284..f4746e1 100644
--- a/tests/genicam.c
+++ b/tests/genicam.c
@@ -405,7 +405,6 @@ create_buffer_with_chunk_data (void)
 {
        ArvBuffer *buffer;
        ArvChunkInfos *chunk_infos;
-       GString *string;
        const char *data;
        size_t size;
        guint32 *int_value;
@@ -440,7 +439,7 @@ create_buffer_with_chunk_data (void)
        chunk_infos->id = GUINT32_TO_BE (0x44444444);
        chunk_infos->size = GUINT32_TO_BE (64);
 
-       g_assert (offset = 64);
+       g_assert (offset == 64);
 
 #if 0
        {