Made the phpt tests report a failure exit code

Without the REPORT_EXIT_STATUS environment variable, running phpt tests on the extension will always report a success exit code, which does not make the build fail on failure
minor #129 Made the phpt tests report a failure exit code (stof)

This PR was merged into the 2.1.x-dev branch.

Discussion
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Made the phpt tests report a failure exit code

Without the REPORT_EXIT_STATUS environment variable, running phpt tests on the extension will always report a success exit code, which does not make the build fail on failure

Commits
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8fa404c Made the phpt tests report a failure exit code