Repair windows vc90 build broken by TankProperties commit

diff --git a/projects/VC90/FlightGear/FlightGear.vcproj b/projects/VC90/FlightGear/FlightGear.vcproj
index a5df20be77ff33ed8c11f85a88b9c07e7e802930..c8c75d45cc456da264cc7cd271a0834167c897a6 100644 (file)
--- a/projects/VC90/FlightGear/FlightGear.vcproj
+++ b/projects/VC90/FlightGear/FlightGear.vcproj
@@ -2449,6 +2449,14 @@
                                RelativePath="..\..\..\src\FDM\fdm_shell.hxx"\r
                                >\r
                        </File>\r
+                       <File\r
+                               RelativePath="..\..\..\src\FDM\TankProperties.cxx"\r
+                               >\r
+                       </File>\r
+                       <File\r
+                               RelativePath="..\..\..\src\FDM\TankProperties.hxx"\r
+                               >\r
+                       </File>\r
                        <File\r
                                RelativePath="..\..\..\src\FDM\flight.cxx"\r
                                >\r