Added gdb-auxv test.

	* configure: Regenerated.
	* configure.ac: Added gdb-auxv.
	* Makefile.am: Added gdb-auxv.
	* Makefile.in: Regenerated.
	* src/gdb-auxv/Makefile.am: Created.
	* src/gdb-auxv/Makefile.in: Generated.
	* src/gdb-auxv/auxv.c: Created.