Add forward references to bit map related routines

xtoskrnl/includes/rtli.h

@@ -255,6 +255,10 @@ RtlDivideUnsigned64(IN ULONGLONG Dividend,
                     IN ULONGLONG Divisor,
                     OUT PULONGLONG Remainder);
 
+XTAPI
+VOID
+RtlDumpBitMap(IN PRTL_BITMAP BitMap);
+
 XTAPI
 LONG
 RtlGetBaseExponent(IN DOUBLE Value,