Merge pull request #2894 from marek-safar/mono.security

[build] Fixes Mono.Security dependency

diff --cc mcs/class/Makefile
index 6bf570842e7757c2ba86d3e6c1a7bbe7b90ba30d,fee40e2e636e8722db990863472f19d0da14f3e9..28ca14e770e9695ca2bb8ef167532d01de8f0a4c
--- 1/mcs/class/Makefile
--- 2/mcs/class/Makefile
+++ b/mcs/class/Makefile
@@@ -10,13 -8,11 +8,13 @@@ resgen_dir = ../tools/resge
  
  build_SUBDIRS :=  \
        corlib \
+       Mono.Security \
        System \
        System.XML \
-       System Mono.Security \
        Mono.Posix \
 -      System.Core
 +      System.Core \
 +      Mono.Cecil \
 +      Mono.Cecil.Mdb
  
  pcl_facade_dirs := Facades