move FindSodium to builds/cmake/Modules

with the rest of the CMake modules

CMakeLists.txt

@@ -4,6 +4,8 @@ cmake_minimum_required (VERSION 2.8.12)
 project (ZeroMQ)
 
 list (INSERT CMAKE_MODULE_PATH 0 "${CMAKE_CURRENT_SOURCE_DIR}")
+set (ZMQ_CMAKE_MODULES_DIR ${CMAKE_CURRENT_SOURCE_DIR}/builds/cmake/Modules)
+list (APPEND CMAKE_MODULE_PATH ${ZMQ_CMAKE_MODULES_DIR})
 
 include(CheckCXXCompilerFlag)
 CHECK_CXX_COMPILER_FLAG("-std=gnu++11" COMPILER_SUPPORTS_CXX11)
@@ -165,9 +167,6 @@ else ()
     message (FATAL_ERROR "Invalid polling method")
 endif ()
 
-set (ZMQ_CMAKE_MODULES_DIR ${CMAKE_CURRENT_SOURCE_DIR}/builds/cmake/Modules)
-list (APPEND CMAKE_MODULE_PATH ${ZMQ_CMAKE_MODULES_DIR})
-
 include (TestZMQVersion)
 if (NOT CMAKE_CROSSCOMPILING)
   include (ZMQSourceRunChecks)