Use same parameters as in fileutilh.inc for the handle variant of FileSetDate overloaded function

git-svn-id: trunk@45967 -
(cherry picked from commit 93fc5abe8b4d992c6366f9cd957d05fe48af7f86)

rtl/symbian/sysutils.pp

@@ -59,7 +59,7 @@ begin
 end;
 
 
-function FileSetDate(Handle, Age: Int64) : LongInt;
+function FileSetDate(Handle : THandle; Age: Int64) : LongInt;
 begin
   result := -1;
 end;