constify nto-tdep.c

constify nto-tdep.c

/home/pedro/gdb/mygit/src/gdb/nto-tdep.c: In function ‘int nto_find_and_open_solib(char*, unsigned int, char**)’:
/home/pedro/gdb/mygit/src/gdb/nto-tdep.c:111:14: error: invalid conversion from ‘const char*’ to ‘char*’ [-fpermissive]
       endian = gdbarch_byte_order (target_gdbarch ())
              ^
/home/pedro/gdb/mygit/src/gdb/nto-tdep.c: In function ‘void nto_init_solib_absolute_prefix()’:
/home/pedro/gdb/mygit/src/gdb/nto-tdep.c:170:14: error: invalid conversion from ‘const char*’ to ‘char*’ [-fpermissive]
       endian = gdbarch_byte_order (target_gdbarch ())
              ^

gdb

2015-03-20  Pedro Alves  <palves@redhat.com>

	* nto-tdep.c (nto_find_and_open_solib): Make "endian" const.
	(nto_init_solib_absolute_prefix): Likewise.