--- a/openttd.dsp	Sun Mar 26 21:13:16 2006 +0000
+++ b/openttd.dsp	Sun Mar 26 21:15:09 2006 +0000
@@ -339,6 +339,12 @@
 # End Source File
 # Begin Source File
 
+SOURCE=.\os_timer.c
+# End Source File
+# Begin Source File
+
+# Begin Source File
+
 SOURCE=.\pathfind.c
 # End Source File
 # Begin Source File