[binutils-gdb] Fix address violation parsing a corrupt SOM binary.

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT d19237d98d5c227bc33693057eb466702386cdfb ***

Author: Nick Clifton <nickc@redhat.com>
Branch: master
Commit: d19237d98d5c227bc33693057eb466702386cdfb

Fix address violation parsing a corrupt SOM binary.

	PR binutils/21649
	* som.c (setup_sections): NUL terminate the space_strings buffer.
	Check that the space.name field does not index beyond the end of
	the space_strings buffer.