Small fixes for Haiku

source/utils/CarlaSemUtils.hpp

@@ -22,7 +22,9 @@
 
 #include <ctime>
 
-#define CARLA_USE_FUTEXES
+#ifndef CARLA_OS_HAIKU
+# define CARLA_USE_FUTEXES
+#endif
 
 #if defined(CARLA_OS_WIN)
 # ifdef __WINE__

source/utils/CarlaShmUtils.hpp

@@ -27,6 +27,9 @@ struct carla_shm_t { HANDLE map; bool isServer; const char* filename; };
 # ifndef __WINE__
 #  include <cerrno>
 # endif
+# ifdef CARLA_OS_HAIKU
+#  define MAP_LOCKED 0x0
+# endif
 # include <fcntl.h>
 # include <sys/mman.h>
 struct carla_shm_t { int fd; const char* filename; std::size_t size; };