lang/llvmir/parser: Fix typo in .peek attribute (was .peak).
lang/llvmir/parser: Fix typo in .peek attribute (was .peak).

There was a typo in RecursiveDescentParser class which was fixed yet in
fea94c52f26d.

Signed-off-by: Paul Sokolovsky <9dc5061f178bb11813e14f1ed02ba27eaf21fa5d@users.sourceforge.net>

windelbouwman/ppci-mirror,windelbouwman/ppci-mirror,windelbouwman/ppci-mirror,windelbouwman/ppci-mirror,windelbouwman/ppci-mirror,windelbouwman/ppci-mirror