fs/binfmt_elf.c: save 1 indent level

Rewrite

	for (...) {
		if (->p_type == PT_INTERP) {
			...
			break;
		}
	}

loop into

	for (...) {
		if (->p_type != PT_INTERP)
			continue;
		...
		break;
	}

Link: http://lkml.kernel.org/r/20190416201906.GA24304@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>