m68k: fix typo
m68k: fix typo

otherwise you get compile warnings, when building for m68k.

Signed-off-by: Waldemar Brodkorb <9eafb392c2f563112237e0f5b2d5b6a33ad4e183@openadk.org>
Signed-off-by: Bernhard Reutner-Fischer <ce1ac9e9ad16abccd7821f371ad381197b4768ac@gmail.com>

brgl/uclibc-ng,wbx-github/uclibc-ng,majek/uclibc-vx32,kraj/uclibc-ng,brgl/uclibc-ng,kraj/uClibc,majek/uclibc-vx32,brgl/uclibc-ng,majek/uclibc-vx32,kraj/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,kraj/uclibc-ng,wbx-github/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,kraj/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,majek/uclibc-vx32,kraj/uclibc-ng,wbx-github/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,brgl/uclibc-ng,kraj/uClibc,kraj/uClibc,wbx-github/uclibc-ng