Try to fix ARM64 compile

ExplorerPatcher/ExplorerPatcher.vcxproj

@@ -244,9 +244,7 @@
     <ClCompile Include="StartMenuSettings.cpp">
       <ExcludedFromBuild Condition="'$(WithMainPatcher)'!='true'">true</ExcludedFromBuild>
     </ClCompile>
-    <ClCompile Include="StartupSound.cpp">
+    <ClCompile Include="StartupSound.cpp" />
-      <ExcludedFromBuild Condition="'$(WithMainPatcher)'!='true'">true</ExcludedFromBuild>
-    </ClCompile>
     <ClCompile Include="symbols.c">
       <ExcludedFromBuild Condition="'$(WithMainPatcher)'!='true'">true</ExcludedFromBuild>
     </ClCompile>

ExplorerPatcher/StartupSound.h

@@ -31,7 +31,7 @@ BOOL AreLogonLogoffShutdownSoundsEnabled();
 HRESULT HookLogonSound();
 BOOL InitSoundWindow();
 void TermSoundWindow();
-HRESULT SHPlaySound(LPCWSTR pszSound, DWORD dwFlags);
+__declspec(dllexport) HRESULT SHPlaySound(LPCWSTR pszSound, DWORD dwFlags);
 
 #ifdef __cplusplus
 }