build: Change HAVE_OSX_SECURITY to a more general HAVE_OSX_FRAMEWORKS

We are starting to use more macOS frameworks and define/build
environment constant name needs to be more general.

Change-Id: I893d436a34c3370a7f12ac681d1796ef5631cc0e
diff --git a/src/util/detail/network-monitor-impl-osx.hpp b/src/util/detail/network-monitor-impl-osx.hpp
index 747aefd..bd0a3c6 100644
--- a/src/util/detail/network-monitor-impl-osx.hpp
+++ b/src/util/detail/network-monitor-impl-osx.hpp
@@ -25,7 +25,7 @@
 #include "ndn-cxx-config.hpp"
 #include "../network-monitor.hpp"
 
-#ifndef NDN_CXX_HAVE_COREFOUNDATION_COREFOUNDATION_H
+#ifndef NDN_CXX_HAVE_OSX_FRAMEWORKS
 #error "This file should not be compiled ..."
 #endif