Adrian Knoth hurd.patch, kfreebsd-fix.patch and alpha_ia64-sigsegv.patch from ticket 177.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@4034 0c269be4-1314-0410-8aa9-9f06e86f4224

systemdeps.h

@@ -53,7 +53,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
 #endif /* WIN32 */
 
-#if defined(__APPLE__) || defined(__linux__) || defined(__sun__) || defined(sun)
+#if defined(__APPLE__) || defined(__linux__) || defined(__sun__) || defined(sun) || defined(__unix__)
     #include <inttypes.h>
     #include <pthread.h>
     #include <sys/types.h>