--- a/projects/openttd_vs90.vcproj	Wed Mar 26 15:30:02 2008 +0000
+++ b/projects/openttd_vs90.vcproj	Thu Mar 27 05:15:06 2008 +0000
@@ -1953,6 +1953,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\ai\api\ai_date.hpp"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\ai\api\ai_engine.hpp"
 				>
 			</File>
@@ -2109,6 +2113,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\ai\api\ai_date.cpp"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\ai\api\ai_engine.cpp"
 				>
 			</File>