Fix cmake build.

diff --git a/src/ATC/CMakeLists.txt b/src/ATC/CMakeLists.txt
index dd1c0039662e29b7b585c850281adc54bb42d87d..e055ec6ddcf18eba1281a82a8f57abad8a4fc98a 100644 (file)
--- a/src/ATC/CMakeLists.txt
+++ b/src/ATC/CMakeLists.txt
@@ -2,6 +2,7 @@ include(FlightGearComponent)
 
 set(SOURCES
        atc_mgr.cxx
+       atcdialog.cxx
        trafficcontrol.cxx
        CommStation.cxx
        )