vcl/scheduler adjusted time check.

the sal_timer might be off with a fraction, so when comparing
it is -1 (due to use of int), which lead to adding 250 ticks.

Changed check to be
	if time < wanted time - 1
		add extra time

Change-Id: I788b3e3b491a513f44f7b495727d1a6842af6109

vcl/source/app/scheduler.cxx

@@ -345,7 +345,8 @@ bool Scheduler::ProcessTaskScheduling()
         return false;
 
     sal_uInt64 nTime = tools::Time::GetSystemTicks();
-    if ( nTime < rSchedCtx.mnTimerStart + rSchedCtx.mnTimerPeriod )
+    // Allow for decimals, so subtract in the compare (needed at least on iOS)
+    if ( nTime < rSchedCtx.mnTimerStart + rSchedCtx.mnTimerPeriod -1)
     {
         SAL_WARN( "vcl.schedule", "we're too early - restart the timer!" );
         UpdateSystemTimer( rSchedCtx,