Generate GUID for VS2010 apps
diff --git a/visualc/VS2010/mpi_demo.vcxproj b/visualc/VS2010/mpi_demo.vcxproj
index b597b7b..9c225a6 100644
--- a/visualc/VS2010/mpi_demo.vcxproj
+++ b/visualc/VS2010/mpi_demo.vcxproj
@@ -27,7 +27,7 @@
     </ProjectReference>

   </ItemGroup>

   <PropertyGroup Label="Globals">

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

+    <ProjectGuid>{08A79AF8-5B8A-4343-D01A-B8AB47F3366C}</ProjectGuid>

     <Keyword>Win32Proj</Keyword>

     <RootNamespace>mpi_demo</RootNamespace>

   </PropertyGroup>