* addr2line.c: use more generic type:
  * u_char -> unsigned char
  * u_short -> unsigned short
  * u_int -> unsigned int
  * u_long -> unsigned long
  * quad_t -> int64_t
  * u_quad_t -> uint64_t

* addr2line.c (imax): inline is defined by configure.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40170 b2dd03c8-39d4-4d8f-98ff-823fe69b080e