Don't hardcode the location of the test_char.h header. The path should be...

Don't hardcode the location of the test_char.h header.  The path should be added to the INCLUDE path.  Also, use the apr_uint32_t type for next_id which is compatible with the apr_atomic functions.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@102164 13f79535-47bb-0310-9956-ffa450edef68