[DOC]Fix two broken links in INSTALL.md; Change name of zlib flag to the current one.
CLA: trivial
@@ -141,7 +141,7 @@ Quick Installation Guide
If you just want to get OpenSSL installed without bothering too much
about the details, here is the short version of how to build and install
OpenSSL. If any of the following steps fails, please consult the
-[Installation in Detail](#installation-in-detail) section below.
+[Installation in Detail](#installation-steps-in-detail) section below.
Building OpenSSL
----------------
@@ -395,7 +395,7 @@ ZLib Flags
--with-zlib-include=DIR
The directory for the location of the zlib include file. This option is only
-necessary if [enable-zlib](#enable-zlib) is used and the include file is not
+necessary if [zlib](#zlib) is used and the include file is not
already on the system include path.
### with-zlib-lib
