Version 4.6.1 of mod_wsgi can be obtained from:
https://codeload.github.com/GrahamDumpleton/mod_wsgi/tar.gz/4.6.1
APR version 1.4.X on RHEL/CentOS doesn’t have apr_hash_this_key() function. Swap to using apr_hash_this() instead.
apr_hash_this_key()
apr_hash_this()