omp-low.c (omp_find_scan): Make static.

omp-low.c (omp_find_scan): Make static.

	* omp-low.c (omp_find_scan): Make static.
	(lower_omp_for_scan): Fix order of merge arguments in input phase of
	the second loop, var2 represents the first partial sum and so needs
	to go before rprivb[ivar].

From-SVN: r273155