Declare RtlGUIDFromString and RtlStringFromGUID.

dlls/ntdll/rtlstr.c

@@ -1942,7 +1942,7 @@ NTSTATUS WINAPI RtlIntegerToUnicodeString(
  * SEE ALSO
  *  See RtlStringFromGUID.
  */
-NTSTATUS WINAPI RtlGUIDFromString(const UNICODE_STRING *str, GUID* guid)
+NTSTATUS WINAPI RtlGUIDFromString(PUNICODE_STRING str, GUID* guid)
 {
   int i = 0;
   const WCHAR *lpszCLSID = str->Buffer;

include/winternl.h

@@ -1919,6 +1919,7 @@ NTSTATUS  WINAPI RtlGetOwnerSecurityDescriptor(PSECURITY_DESCRIPTOR,PSID *,PBOOL
 ULONG     WINAPI RtlGetProcessHeaps(ULONG,HANDLE*);
 NTSTATUS  WINAPI RtlGetSaclSecurityDescriptor(PSECURITY_DESCRIPTOR,PBOOLEAN,PACL *,PBOOLEAN);
 NTSTATUS  WINAPI RtlGetVersion(RTL_OSVERSIONINFOEXW*);
+NTSTATUS  WINAPI RtlGUIDFromString(PUNICODE_STRING,GUID*);
 
 PSID_IDENTIFIER_AUTHORITY WINAPI RtlIdentifierAuthoritySid(PSID);
 PVOID     WINAPI RtlImageDirectoryEntryToData(HMODULE,BOOL,WORD,ULONG *);
@@ -2016,6 +2017,7 @@ void      WINAPI RtlSetLastWin32ErrorAndNtStatusFromNtStatus(NTSTATUS);
 NTSTATUS  WINAPI RtlSetSaclSecurityDescriptor(PSECURITY_DESCRIPTOR,BOOLEAN,PACL,BOOLEAN);
 NTSTATUS  WINAPI RtlSetTimeZoneInformation(const RTL_TIME_ZONE_INFORMATION*);
 ULONG     WINAPI RtlSizeHeap(HANDLE,ULONG,PVOID);
+NTSTATUS  WINAPI RtlStringFromGUID(REFGUID,PUNICODE_STRING);
 LPDWORD   WINAPI RtlSubAuthoritySid(PSID,DWORD);
 LPBYTE    WINAPI RtlSubAuthorityCountSid(PSID);
 NTSTATUS  WINAPI RtlSystemTimeToLocalTime(const LARGE_INTEGER*,PLARGE_INTEGER);