Add missing VS project files, generated by script
diff --git a/visualc/VS2010/md5sum.vcxproj b/visualc/VS2010/md5sum.vcxproj
index e01e29c..5ab7231 100644
--- a/visualc/VS2010/md5sum.vcxproj
+++ b/visualc/VS2010/md5sum.vcxproj
@@ -27,7 +27,7 @@
     </ProjectReference>

   </ItemGroup>

   <PropertyGroup Label="Globals">

-    <ProjectGuid>{7FEC406E-95C5-4CC7-9CE7-8EA014AF5E15}</ProjectGuid>

+    <ProjectGuid>{54880004-9AA2-434D-A2F0-7F59D6F1536A}</ProjectGuid>

     <Keyword>Win32Proj</Keyword>

     <RootNamespace>md5sum</RootNamespace>

   </PropertyGroup>

@@ -166,4 +166,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

   <ImportGroup Label="ExtensionTargets">

   </ImportGroup>

-</Project>
\ No newline at end of file
+</Project>