Index: boot/generic/include/putchar.h
===================================================================
--- boot/generic/include/putchar.h	(revision a35b458e9db1ca95e679799dc7c1b12c83359ca3)
+++ boot/generic/include/putchar.h	(revision 75701004b4fe1a0a5f2b92aef205e5bfbf9a69e3)
@@ -38,5 +38,5 @@
 #include <stddef.h>
 
-extern void putchar(const wchar_t);
+extern void putwchar(wchar_t);
 
 #endif