Add a few more 'generic' platforms

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@43258 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configure

@@ -2051,6 +2051,15 @@ case "${host_os}" in
      freebsd*)
      OSARCH=FreeBSD
      ;;
+     netbsd*)
+     OSARCH=NetBSD
+     ;;
+     openbsd*)
+     OSARCH=OpenBSD
+     ;;
+     solaris*)
+     OSARCH=SunOS
+     ;;
      *)
      OSARCH=${HOST_OS}
      ;;

configure.ac

@@ -64,6 +64,15 @@ case "${host_os}" in
      freebsd*)
      OSARCH=FreeBSD
      ;;
+     openbsd*)
+     OSARCH=OpenBSD
+     ;;
+     netbsd*)
+     OSARCH=NetBSD
+     ;;
+     solaris*)
+     OSARCH=SunOS
+     ;;
      *)
      OSARCH=${HOST_OS}
      ;;