Fix og9 "Fix hang when running oacc exec with CUDA 9.0 nvprof"

Compared to the original og7 version, and still-good og8 version, the og9
version of this patch did get its code altered in a way so that it no longer
resolves the problem it's meant to resolve -- the hang was back.

	libgomp/
	* oacc-init.c (acc_init_1): Move 'acc_init_state' logic to where
	it belongs.