Fix release build by using runtime DLLs.

src/syncterm/SyncTERM.vcxproj

@@ -92,7 +92,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;WITHOUT_CRYPTLIB;TELNET_NO_DLL;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\sbbs3;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -101,6 +101,7 @@
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalDependencies>winmm.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\encode\base64.c" />