Fix documentation type WITH_DNS_SRV.

ChangeLog.txt

@@ -8,6 +8,7 @@ Broker:
 - Fix unitialized memory in gets_quiet on Windows. Closes #426.
 - Fix building with WITH_ADNS=no for systems that don't use glibc. Closes
   #415.
+- Fixes to readme.md.
 
 1.4.11 - 20170220
 =================

readme.md

@@ -65,7 +65,7 @@ already be built. Use `make binary` to skip building the man pages, or install
 
 ### Build Dependencies
 
-* c-ares (libc-ares-dev on Debian based systems) - disable with `make WITH_DNS_SRV=no`
+* c-ares (libc-ares-dev on Debian based systems) - disable with `make WITH_SRV=no`
 * libuuid (uuid-dev) - disable with `make WITH_UUID=no`
 * libwebsockets (libwebsockets-dev) - enable with `make WITH_WEBSOCKETS=yes`
 * openssl (libssl-dev on Debian based systems) - disable with `make WITH_TLS=no`