Update sdk-amd64.wxs

Update installer manifest for new introduced dispatch header.

Author: compnerd

platforms/Windows/sdk-amd64.wxs

@@ -180,6 +180,9 @@
       <Component Id="dispatch.h" Directory="WindowsSDK_usr_include_dispatch" Guid="a4e8a91e-b54b-485e-8f47-83e23bb435b3">
         <File Id="dispatch.h" Source="$(var.SDK_ROOT)\usr\lib\swift\dispatch\dispatch.h" Checksum="yes" />
       </Component>
+      <Component Id="generic_base.h" Directory="WindowsSDK_usr_include_dispatch" Guid="348df76b-0642-4178-a06e-c79ceab474be">
+        <File Id="generic_base.h" Source="$(var.SDK_ROOT)\usr\lib\swift\dispatch\generic_base.h" Checksum="yes" />
+      </Component>
       <Component Id="group.h" Directory="WindowsSDK_usr_include_dispatch" Guid="6a992ce8-127a-4826-87fc-009e3666c980">
         <File Id="group.h" Source="$(var.SDK_ROOT)\usr\lib\swift\dispatch\group.h" Checksum="yes" />
       </Component>