Fixed #1733: Maybe PC/VS7.1/pythoncore.vcproj is missing Modules/md5module.c
diff --git a/PC/VS7.1/pythoncore.vcproj b/PC/VS7.1/pythoncore.vcproj
index 34b48e9..a7a0f04 100644
--- a/PC/VS7.1/pythoncore.vcproj
+++ b/PC/VS7.1/pythoncore.vcproj
@@ -625,6 +625,9 @@
 		<File
 			RelativePath="..\..\Modules\mathmodule.c">
 		</File>
+ 		<File
+			RelativePath="..\..\Modules\md5module.c">
+		</File>
 		<File
 			RelativePath="..\..\Parser\metagrammar.c">
 		</File>