cmake: another try to get the module path right

EKF/CMakeLists.txt

@@ -35,10 +35,9 @@ cmake_minimum_required(VERSION 2.8)
 
 project (ECL CXX)
 set(CMAKE_BUILD_TYPE Release)
-set(CMAKE_CURRENT_SOURCE_DIR ./)
 set(CMAKE_CXX_FLAGS "-DPOSIX_SHARED")
 
-set(CMAKE_MODULE_PATH ./)
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
 message("looking for FindEigen3.cmake in ${CMAKE_MODULE_PATH}")
 find_package(Eigen3 REQUIRED)