Check in the pristine copy of ICU 4.6...

icu46/source/test/perf/normperf/normperf.vcxproj.filters

Index: icu46/source/test/perf/normperf/normperf.vcxproj.filters
===================================================================
--- icu46/source/test/perf/normperf/normperf.vcxproj.filters	(revision 0)
+++ icu46/source/test/perf/normperf/normperf.vcxproj.filters	(revision 0)
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{d041613b-068f-422e-9d8e-e33410289c2c}</UniqueIdentifier>
+      <Extensions>cpp;c;cxx;rc;def;r;odl;idl;hpj;bat</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{5c68a2a2-e19e-4069-be92-bb2f090b0d52}</UniqueIdentifier>
+      <Extensions>h;hpp;hxx;hm;inl</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{10617b42-7a0c-4493-ad84-34049a8d5c06}</UniqueIdentifier>
+      <Extensions>ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="normperf.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="normperf.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>