Add project files for Visual Studio 2010 and later.

Also allows building for x86-64 Windows.

Patch-from: lvqcl <lvqcl.mail@gmail.com>
diff --git a/src/test_libFLAC/test_libFLAC.vcxproj.filters b/src/test_libFLAC/test_libFLAC.vcxproj.filters
new file mode 100644
index 0000000..b060355
--- /dev/null
+++ b/src/test_libFLAC/test_libFLAC.vcxproj.filters
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>

+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

+  <ItemGroup>

+    <Filter Include="Header Files">

+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>

+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>

+    </Filter>

+    <Filter Include="Source Files">

+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>

+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>

+    </Filter>

+  </ItemGroup>

+  <ItemGroup>

+    <ClInclude Include="bitwriter.h">

+      <Filter>Header Files</Filter>

+    </ClInclude>

+    <ClInclude Include="decoders.h">

+      <Filter>Header Files</Filter>

+    </ClInclude>

+    <ClInclude Include="encoders.h">

+      <Filter>Header Files</Filter>

+    </ClInclude>

+    <ClInclude Include="endswap.h">

+      <Filter>Header Files</Filter>

+    </ClInclude>

+    <ClInclude Include="format.h">

+      <Filter>Header Files</Filter>

+    </ClInclude>

+    <ClInclude Include="md5.h">

+      <Filter>Header Files</Filter>

+    </ClInclude>

+    <ClInclude Include="metadata.h">

+      <Filter>Header Files</Filter>

+    </ClInclude>

+  </ItemGroup>

+  <ItemGroup>

+    <ClCompile Include="bitwriter.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="decoders.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="encoders.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="endswap.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="format.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="main.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="md5.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="metadata.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="metadata_manip.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+    <ClCompile Include="metadata_object.c">

+      <Filter>Source Files</Filter>

+    </ClCompile>

+  </ItemGroup>

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