- Implement RtlLocalTimeToSystemTime and RtlSystemTimeToLocalTime.
- Use new time functions to reimplement FileTimeToLocalTime and
  LocalTimeToFileTime.

diff --git a/include/winternl.h b/include/winternl.h
index f0db2bb..44b885f 100644
--- a/include/winternl.h
+++ b/include/winternl.h
@@ -992,7 +992,7 @@
 DWORD     WINAPI RtlLengthRequiredSid(DWORD);
 ULONG     WINAPI RtlLengthSecurityDescriptor(PSECURITY_DESCRIPTOR);
 DWORD     WINAPI RtlLengthSid(PSID);
-NTSTATUS  WINAPI RtlLocalTimeToSystemTime(PLARGE_INTEGER,PLARGE_INTEGER);
+NTSTATUS  WINAPI RtlLocalTimeToSystemTime(const LARGE_INTEGER*,PLARGE_INTEGER);
 BOOLEAN   WINAPI RtlLockHeap(HANDLE);
 
 NTSTATUS  WINAPI RtlMakeSelfRelativeSD(PSECURITY_DESCRIPTOR,PSECURITY_DESCRIPTOR,LPDWORD);
@@ -1034,7 +1034,7 @@
 ULONG     WINAPI RtlSizeHeap(HANDLE,ULONG,PVOID);
 LPDWORD   WINAPI RtlSubAuthoritySid(PSID,DWORD);
 LPBYTE    WINAPI RtlSubAuthorityCountSid(PSID);
-void      WINAPI RtlSystemTimeToLocalTime(PLARGE_INTEGER,PLARGE_INTEGER);
+NTSTATUS  WINAPI RtlSystemTimeToLocalTime(const LARGE_INTEGER*,PLARGE_INTEGER);
 
 void      WINAPI RtlTimeToTimeFields(const LARGE_INTEGER*,PTIME_FIELDS);
 BOOLEAN   WINAPI RtlTimeFieldsToTime(PTIME_FIELDS,PLARGE_INTEGER);