Use editbin instead to change subsystem

appveyor.yml

@@ -14,7 +14,7 @@ environment:
   OPENRCT2_ORG_TOKEN:
     secure: leQX3xCQpmBLGuMqrxjFlzexDt96ypNRMM5TTRVHbGE8PwVg9crgeykLc2BIZU6HDHveJCHqh2cGMdHtHYJYcw==
   BUILD_SERVER: AppVeyor
-  PATH: $(PATH);C:\Program Files (x86)\Windows Kits\10\bin\x86
+  PATH: $(PATH);C:\Program Files (x86)\Windows Kits\10\bin\x86;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin
 install:
 - ps: >-
     .\scripts\ps\appveyor_install.ps1

openrct2.proj

@@ -208,9 +208,7 @@
   <!-- Target to create openrct2.exe (windows) and openrct2.com (console) -->
   <Target Name="CreateGUI" DependsOnTargets="Build" AfterTargets="Build" Inputs="$(OutputExe)" Outputs="$(OutputCom)">
     <Copy SourceFiles="$(OutputExe)" DestinationFiles="$(OutputCom)" />
-    <Exec Command="printf '\x02' | dd of=$(OutputExe) seek=372 bs=1 conv=notrunc count=1"
-          StandardOutputImportance="low"
-          StandardErrorImportance="low" />
+    <Exec Command="editbin /subsystem:windows $(OutputExe)" />
   </Target>
 
   <!-- Target to download the title sequences -->