Build trunk got error

[Hui Zhu]

libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../../src/bfd -I.
-I../../src/bfd -I../../src/bfd/../include -DHAVE_all_vecs
-DBINDIR=\"/usr/local/bin\" -W -Wall -Wstrict-prototypes
-Wmissing-prototypes -Wshadow -Werror -g -O2 -MT mach-o.lo -MD -MP -MF
.deps/mach-o.Tpo -c ../../src/bfd/mach-o.c -o mach-o.o
cc1: warnings being treated as errors
../../src/bfd/mach-o.c: In function ‘bfd_mach_o_build_commands’:
../../src/bfd/mach-o.c:2234:31: error: ‘seg’ may be used uninitialized
in this function