--- parser3/src/main/main.vcproj	2020/02/18 13:03:34	1.36
+++ parser3/src/main/main.vcproj	2020/12/11 14:25:04	1.37
@@ -263,6 +263,9 @@
 		<File
 			RelativePath=".\pa_os.C">
 		</File>
+		<File
+			RelativePath=".\pa_threads.C">
+		</File>
 		<File
 			RelativePath="..\include\pa_os.h">
 		</File>