Fix MinecraftClient.Win32 VS Building

Small oversight

Author: BrentDaMage

platforms/windows/projects/MinecraftClient.Win32/MinecraftClient.Win32.vcxproj

@@ -37,7 +37,7 @@
   <PropertyGroup Label="UserMacros" />
   <ItemDefinitionGroup>
     <ClCompile>
-      <AdditionalIncludeDirectories>$(DXSDK_DIR)\Include;$(MC_ROOT)\thirdparty\stb_image\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(DXSDK_DIR)\Include;$(MC_ROOT)\platforms\sound\directsound;$(MC_ROOT)\thirdparty\stb_image\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -96,4 +96,4 @@
     <LocalDebuggerWorkingDirectory>$(MC_ROOT)\game</LocalDebuggerWorkingDirectory>
     <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
   </PropertyGroup>
-</Project>
+</Project>