Rename ms1 files to mt files (part 1 -- renames only)

libgloss/mt/open.c

@@ -0,0 +1,11 @@
+#include <_ansi.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "trap.h"
+
+
+int
+open (const char *path, int flags, int mode)
+{
+  return TRAP0 (SYS_open, path, flags, mode);
+}