Fix warnings/errors with GCC 8.x around strncpy usage, and simplify slightly with apr_cpystrn.  (Untested)
Fix warnings/errors with GCC 8.x around strncpy usage, and simplify
slightly with apr_cpystrn.  (Untested)

icing/mod_h2,icing/mod_h2,icing/mod_h2,icing/mod_h2,icing/mod_h2