Build fix: missing headers from project

src/FDM/CMakeLists.txt

@@ -9,6 +9,14 @@ set(SP_FDM_SOURCES
 	SP/MagicCarpet.cxx
     SP/AISim.cpp
 	)
+set (SP_FDM_HEADERS
+	SP/ACMS.hxx
+	SP/ADA.hxx
+	SP/MagicCarpet.hxx
+	SP/Balloon.h
+	SP/BalloonSim.h
+	SP/AISim.hpp
+	)
 endif()
 
 set(UIUC_SOURCES
@@ -142,6 +150,17 @@ set(SOURCES
 	LaRCsim/ls_matrix.c
 	)
 
+set(HEADERS
+	NullFDM.hxx
+	TankProperties.hxx
+	UFO.hxx
+	fdm_shell.hxx
+	flight.hxx
+	flightProperties.hxx
+	groundcache.hxx
+	${SP_FDM_HEADERS}
+	)
+
 if(ENABLE_UIUC_MODEL)
 	foreach(component ${UIUC_SOURCES})
 		list(APPEND SOURCES "UIUCModel/${component}")