[simulator] add utf-8

bsp/simulator/template_vs2012.vcxproj

@@ -44,6 +44,7 @@
       <PrecompiledHeader />
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
       <AdditionalDependencies>winmm.lib;Packet.lib;wpcap.lib;%(AdditionalDependencies)</AdditionalDependencies>