Added invocation of ./config - thanks to @dangunter
diff --git a/INSTALL b/INSTALL
index 8a0a98a..808166d 100644
--- a/INSTALL
+++ b/INSTALL
@@ -132,6 +132,7 @@
 
   $ cd <git directory>
   $ cd third_party/openssl
+  $ ./config
   $ sudo make install
   $ cd ../../