scripts/wrapper.c: Under MacOS set DYLD_LIBRARY_PATH

Depending on (predefined) macro __APPLE__, use DYLD_LIBRARY_PATH
instead of LD_LIBRARY_PATH.

reporter_name="Yann E. MORIN"

reporter_url="http://ymorin.is-a-geek.org/dokuwiki/projects/crosstool"

reporter_comment=""