Sort Haiku platform definition alphabetically.

Fixes a minor ordering issue when defining the platform macro.
Also fixes a minor typo: 'Max OS X' -> 'Mac OS X'.

googletest/include/gtest/internal/gtest-port.h

@@ -115,9 +115,9 @@
 //   GTEST_OS_CYGWIN   - Cygwin
 //   GTEST_OS_DRAGONFLY - DragonFlyBSD
 //   GTEST_OS_FREEBSD  - FreeBSD
-//   GTEST_OS_HAIKU    - Haiku
 //   GTEST_OS_FUCHSIA  - Fuchsia
 //   GTEST_OS_GNU_KFREEBSD - GNU/kFreeBSD
+//   GTEST_OS_HAIKU    - Haiku
 //   GTEST_OS_HPUX     - HP-UX
 //   GTEST_OS_LINUX    - Linux
 //     GTEST_OS_LINUX_ANDROID - Google Android
@@ -137,7 +137,7 @@
 //     GTEST_OS_WINDOWS_RT       - Windows Store App/WinRT
 //   GTEST_OS_ZOS      - z/OS
 //
-// Among the platforms, Cygwin, Linux, Max OS X, and Windows have the
+// Among the platforms, Cygwin, Linux, Mac OS X, and Windows have the
 // most stable support.  Since core members of the Google Test project
 // don't have access to other platforms, support for them may be less
 // stable.  If you notice any problems on your platform, please notify