Define IShellExecuteHook interface.

diff --git a/include/shlguid.h b/include/shlguid.h
index 82293e9..30c4435 100644
--- a/include/shlguid.h
+++ b/include/shlguid.h
@@ -48,11 +48,9 @@
 DEFINE_SHLGUID(IID_IShellCopyHookA,     0x000214EFL, 0, 0);
 DEFINE_SHLGUID(IID_IFileViewerA,        0x000214F0L, 0, 0);
 DEFINE_SHLGUID(IID_IFileViewerSite,     0x000214F3L, 0, 0);
-DEFINE_SHLGUID(IID_IShellExecuteHookA,  0x000214F5L, 0, 0);
 DEFINE_SHLGUID(IID_IPropSheetPage,      0x000214F6L, 0, 0);
 DEFINE_SHLGUID(IID_INewShortcutHookW,   0x000214F7L, 0, 0);
 DEFINE_SHLGUID(IID_IFileViewerW,        0x000214F8L, 0, 0);
-DEFINE_SHLGUID(IID_IShellExecuteHookW,  0x000214FBL, 0, 0);
 DEFINE_SHLGUID(IID_IShellCopyHookW,     0x000214FCL, 0, 0);
 DEFINE_SHLGUID(IID_IRemoteComputer,     0x000214FEL, 0, 0);
 DEFINE_SHLGUID(IID_IQueryInfo,          0x00021500L, 0, 0);
@@ -71,6 +69,8 @@
 /* DEFINE_SHLGUID(IID_IShellLinkA,         0x000214EEL, 0, 0); */
 /* DEFINE_SHLGUID(IID_IEnumIDList,         0x000214F2L, 0, 0); */
 /* DEFINE_SHLGUID(IID_IShellLinkW,         0x000214F9L, 0, 0); */
+/* DEFINE_SHLGUID(IID_IShellExecuteHookA,  0x000214F5L, 0, 0); */
+/* DEFINE_SHLGUID(IID_IShellExecuteHookW,  0x000214FBL, 0, 0); */
 
 DEFINE_GUID(SID_STopLevelBrowser, 0x4C96BE40L, 0x915C, 0x11CF, 0x99, 0xD3, 0x00, 0xAA, 0x00, 0x4A, 0xE8, 0x37);