Added implementation of security.dll.
diff --git a/configure.ac b/configure.ac
index b75844d..3db7272 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1662,6 +1662,7 @@
 dlls/rsaenh/tests/Makefile
 dlls/secur32/Makefile
 dlls/secur32/tests/Makefile
+dlls/security/Makefile
 dlls/sensapi/Makefile
 dlls/serialui/Makefile
 dlls/setupapi/Makefile