fixup nanosecond precision

This was broken before...
Time used to take centiseconds, so the nanoseconds should have been *divided* by 10^7 for conversion.
Now Time takes straight nanoseconds, so no conversion necessary.

Change-Id: Ibac3eeca7020c5d8c5ff4be3e7617fac26ee8180

basic/source/runtime/methods.cxx

@@ -3095,7 +3095,7 @@ RTLFUNC(FileDateTime)
             oslDateTime aDT;
             osl_getDateTimeFromTimeValue( &aTimeVal, &aDT );
 
-            aTime = Time( aDT.Hours, aDT.Minutes, aDT.Seconds, 10000000*aDT.NanoSeconds );
+            aTime = Time( aDT.Hours, aDT.Minutes, aDT.Seconds, aDT.NanoSeconds );
             aDate = Date( aDT.Day, aDT.Month, aDT.Year );
         }