[test] Fix win32 issues in tests

Add missing headers for creat() call in api_test_module, remove debug code
in it_sample_depack_8bit and change directory test in api_load_module.

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Fix compilation errors in Haiku

Declare variables before other statements in block and other fixes for
gcc 2.95.3 in Haiku/BeOS.

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
[test] Fix compilation errors in Haiku

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Comment out error messages in ppdepack

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Refactor check for gcc symbol versioning

Define versioned symbol compatibility in a common header to make our
blacklist easier to manage.

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Update changelog

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>