Index: kernel/arch/arm32/src/drivers/gxemul.c
===================================================================
--- kernel/arch/arm32/src/drivers/gxemul.c	(revision fd723123e15e0acd1e98c618cb1941a5f5354f09)
+++ kernel/arch/arm32/src/drivers/gxemul.c	(revision 820edde9b67b8b077ff0b393614fbef1538a9d52)
@@ -73,5 +73,5 @@
 static void gxemul_kbd_enable(chardev_t *dev);
 static void gxemul_kbd_disable(chardev_t *dev);
-static void gxemul_write(chardev_t *dev, const char ch);
+static void gxemul_write(chardev_t *dev, const char ch, bool silent);
 static char gxemul_do_read(chardev_t *dev);