these files should build in win

src/mod/applications/mod_spandsp/mod_spandsp.2008.vcproj

@@ -301,6 +301,10 @@
 			RelativePath=".\mod_spandsp_fax.c"
 			>
 		</File>
+		<File
+			RelativePath=".\mod_spandsp_modem.c"
+			>
+		</File>
 		<File
 			RelativePath=".\udptl.c"
 			>

src/mod/applications/mod_spandsp/mod_spandsp.2010.vcxproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -129,6 +129,7 @@
     <ClCompile Include="mod_spandsp_codecs.c" />
     <ClCompile Include="mod_spandsp_dsp.c" />
     <ClCompile Include="mod_spandsp_fax.c" />
+    <ClCompile Include="mod_spandsp_modem.c" />
     <ClCompile Include="udptl.c" />
   </ItemGroup>
   <ItemGroup>
@@ -148,4 +149,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file