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/network-monitor.cpp b/src/util/network-monitor.cpp
index 62d63a1..0cbc8c4 100644
--- a/src/util/network-monitor.cpp
+++ b/src/util/network-monitor.cpp
@@ -25,7 +25,7 @@
 #include "network-monitor.hpp"
 #include "ndn-cxx-config.hpp"
 
-#if defined(NDN_CXX_HAVE_COREFOUNDATION_COREFOUNDATION_H)
+#if defined(NDN_CXX_HAVE_OSX_FRAMEWORKS)
 #include "detail/network-monitor-impl-osx.hpp"
 #elif defined(NDN_CXX_HAVE_RTNETLINK)
 #include "detail/network-monitor-impl-rtnl.hpp"