diff --git a/src/RS232.h b/src/RS232.h old mode 100755 new mode 100644 diff --git a/src/RS232_unix.c b/src/RS232_unix.c old mode 100755 new mode 100644 diff --git a/src/RS232_win.c b/src/RS232_win.c old mode 100755 new mode 100644