Bug 131826: added maketree.c from zlib 1.1.4.
Bug 131826: added maketree.c from zlib 1.1.4.

nmav/nss,nmav/nss,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,nmav/nss,ekr/nss-old,nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old,ekr/nss-old