wolf3d: fix FM OPL alignment bug in a cleaner way

wl_def.h has a #pragma pack(1), which causes issues when we take the
address of an unaligned struct field. This fixes the issue by
disabling packing in fmopl_gpl.c.

Change-Id: I526880fa73226e8028855896f7efc3a66571b3ec
2 files changed