Index: kernel/generic/src/lib/string.c
===================================================================
--- kernel/generic/src/lib/string.c	(revision a7b10710077af5495dbbd8a18f1fb413be7dc5c2)
+++ kernel/generic/src/lib/string.c	(revision 0175246a19e8ee96e2ea4f2c13e89c437bf42b2e)
@@ -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))