Add include directory for internal libltdl

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

artsc/CMakeLists.txt

@@ -46,6 +46,7 @@ include_directories(
   ${CMAKE_CURRENT_BINARY_DIR}
   ${CMAKE_BINARY_DIR}
   ${CMAKE_SOURCE_DIR}/artsc
+  ${CMAKE_SOURCE_DIR}/libltdl
   ${CMAKE_BINARY_DIR}/mcop
   ${CMAKE_SOURCE_DIR}/mcop
   ${CMAKE_BINARY_DIR}/flow

mcop/CMakeLists.txt

@@ -27,6 +27,7 @@ add_definitions(
 include_directories(
   ${CMAKE_BINARY_DIR}
   ${CMAKE_CURRENT_BINARY_DIR}
+  ${CMAKE_SOURCE_DIR}/libltdl
 )