Index: kernel/generic/src/lib/string.c
===================================================================
--- kernel/generic/src/lib/string.c	(revision f049eec2e8912b45680161e172155481212b2b38)
+++ kernel/generic/src/lib/string.c	(revision cee8d3e109ecfcf59fb15c03ff1c4a23c5e3ac81)
@@ -207,5 +207,5 @@
  *	   code was invalid.
  */
-int chr_encode(const wchar_t ch, char *str, size_t *offset, size_t size)
+int chr_encode(wchar_t ch, char *str, size_t *offset, size_t size)
 {
 	if (*offset >= size)
@@ -423,5 +423,5 @@
  *
  */
-bool ascii_check(const wchar_t ch)
+bool ascii_check(wchar_t ch)
 {
 	if ((ch >= 0) && (ch <= 127))
@@ -436,5 +436,5 @@
  *
  */
-bool chr_check(const wchar_t ch)
+bool chr_check(wchar_t ch)
 {
 	if ((ch >= 0) && (ch <= 1114111))