Add dependencies for building with str_util.c, for strip_ctrl() support

This should fix the SBBS-MSVC build in CI.

src/sbbs3/node.vcxproj

@@ -37,6 +37,7 @@
     <Import Project="..\build\undeprecate.props" />
     <Import Project="..\build\target_ia32.props" />
     <Import Project="..\hash\hash.props" />
+    <Import Project="..\encode\encode.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
@@ -46,6 +47,7 @@
     <Import Project="..\build\undeprecate.props" />
     <Import Project="..\build\target_ia32.props" />
     <Import Project="..\hash\hash.props" />
+    <Import Project="..\encode\encode.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
@@ -67,7 +69,7 @@
       <Optimization>MaxSpeed</Optimization>
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>NDEBUG;WIN32;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;WIN32;_CONSOLE;SBBS_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -108,7 +110,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_DEBUG;WIN32;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;WIN32;_CONSOLE;SBBS_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeaderOutputFile>.\msvc.win32.debug\node/node.pch</PrecompiledHeaderOutputFile>
@@ -141,6 +143,7 @@
     </Bscmake>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="..\encode\utf8.c" />
     <ClCompile Include="getctrl.c" />
     <ClCompile Include="node.c">
       <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -148,6 +151,7 @@
       <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
+    <ClCompile Include="str_util.c" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\xpdev\xpdev.vcxproj">