Change the implementation of memmove in lib/compat.c to call bcopy instead

of memcpy because bcopy is guaranteed to work with overlapping memory and
memcpy is not.  Bug fix for PR#1584 in which log entries in the rsync
daemon log on Sunos 4.1.4 were garbled.

lib/compat.c

@@ -72,7 +72,7 @@
 #ifndef HAVE_MEMMOVE
  void *memmove(void *dest, const void *src, size_t n)
 {
-	memcpy(dest, src, n);
+	bcopy((char *) src, (char *) dest, n);
 	return dest;
 }
 #endif