glib: add compatibility interface for g_strcmp0()
glib: add compatibility interface for g_strcmp0()

This patch fixes compilation errors when building against glib < 2.16.0
due to the missing g_strcmp0() function.

Suggested-by: Peter Maydell <313afa09ce093b19ae1dd74f57c1ebd94508584c@linaro.org>
Signed-off-by: Gonglei <5d492f1ad751c8d283a077bdc6e0c58569b75b2f@huawei.com>
Message-id: 1413457177-10132-1-git-send-email-5d492f1ad751c8d283a077bdc6e0c58569b75b2f@huawei.com
Signed-off-by: Peter Maydell <313afa09ce093b19ae1dd74f57c1ebd94508584c@linaro.org>

SPICE/libcacard,elmarco/libcacard,SPICE/libcacard,elmarco/libcacard