[VSSAPI] Add missing wrapper for ?CreateVssBackupComponents@@YGJPAPAVIVssBackupComponents@@@z and _VSSAPI_CreateVssBackupComponents@4 in msvc.s, to fix MSVC compilation

Author: oleg-dubinskiy

dll/win32/vssapi/msvc.s

@@ -20,4 +20,11 @@ DEFINE_THISCALL_WRAPPER ?Initialize@CVssWriter@@QAGJU_GUID@@PBGW4VSS_USAGE_TYPE@
 DEFINE_THISCALL_WRAPPER ?Subscribe@CVssWriter@@QAGJK@Z, _VSSAPI_CVssWriter_Subscribe@8
 DEFINE_THISCALL_WRAPPER ?Unsubscribe@CVssWriter@@QAGJXZ, _VSSAPI_CVssWriter_Unsubscribe@4
 
+MACRO(DEFINE_ALIAS, alias, orig)
+EXTERN &orig:PROC
+ALIAS <&alias> = <&orig>
+ENDM
+
+DEFINE_ALIAS ?CreateVssBackupComponents@@YGJPAPAVIVssBackupComponents@@@Z, _VSSAPI_CreateVssBackupComponents@4
+
 END

dll/win32/vssapi/vssapi.spec

@@ -7,7 +7,8 @@
 @ cdecl -arch=i386 ??1CVssWriter@@UAE@XZ(ptr) VSSAPI_CVssWriter_dtor
 @ stub ?AreComponentsSelected@CVssJetWriter@@IBG_NXZ
 @ stub ?AreComponentsSelected@CVssWriter@@IBG_NXZ
-@ stdcall ?CreateVssBackupComponents@@YGJPAPAVIVssBackupComponents@@@Z(ptr) VSSAPI_CreateVssBackupComponents
+@ stdcall -arch=i386 ?CreateVssBackupComponents@@YGJPAPAVIVssBackupComponents@@@Z(ptr) VSSAPI_CreateVssBackupComponents
+@ stdcall -arch=amd64 ?CreateVssBackupComponents@@YAJPEAPEAVIVssBackupComponents@@@Z(ptr) VSSAPI_CreateVssBackupComponents
 @ stub ?CreateVssExamineWriterMetadata@@YGJPAGPAPAVIVssExamineWriterMetadata@@@Z
 @ stub ?CreateVssSnapshotSetDescription@@YGJU_GUID@@JPAPAVIVssSnapshotSetDescription@@@Z
 @ stub ?GetBackupType@CVssJetWriter@@IBG?AW4_VSS_BACKUP_TYPE@@XZ