Apply patch from B. King on ML

Modules/FindOpenSSL.cmake

@@ -33,8 +33,8 @@ SET(_OPENSSL_ROOT_PATHS
   )
 FIND_PATH(OPENSSL_ROOT_DIR
   NAMES include/openssl/ssl.h
-  HINTS ${_OPENSSL_HINTS}
-  PATHS ${_OPENSSL_PATHS}
+  HINTS ${_OPENSSL_ROOT_HINTS}
+  PATHS ${_OPENSSL_ROOT_PATHS}
 )
 MARK_AS_ADVANCED(OPENSSL_ROOT_DIR)