complex.c: use "__sun" instead of "sun" to detect SunOS.
math.c: ditto.
hash.c: ditto.
atomic.h: ditto.
ext/io/wait/wait.c: ditto.
[ruby-dev:44693]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33521 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
complex.c: use "__sun" instead of "sun" to detect SunOS.
math.c: ditto.
hash.c: ditto.
atomic.h: ditto.
ext/io/wait/wait.c: ditto.
[ruby-dev:44693]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33521 b2dd03c8-39d4-4d8f-98ff-823fe69b080e