--- qemu/roms/seabios/src/serial.c	2018/04/24 17:36:47	1.1
+++ qemu/roms/seabios/src/serial.c	2018/04/24 17:51:47	1.1.1.2
@@ -57,7 +57,7 @@ detect_serial(u16 port, u8 timeout, u8 c
 }
 
 void
-serial_setup()
+serial_setup(void)
 {
     if (! CONFIG_SERIAL)
         return;
@@ -224,7 +224,7 @@ detect_parport(u16 port, u8 timeout, u8
 }
 
 void
-lpt_setup()
+lpt_setup(void)
 {
     if (! CONFIG_LPT)
         return;