doc: fix description of u16_strcasecmp()
Remove non-existent parameter 'n' from function description.
Fixes: 7a9b366cd9b7 ("lib: add function u16_strcasecmp()")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/include/charset.h b/include/charset.h
index 6e79d71..44034c7 100644
--- a/include/charset.h
+++ b/include/charset.h
@@ -178,7 +178,6 @@
*
* @s1: first string to compare
* @s2: second string to compare
- * @n: maximum number of u16 to compare
* Return: 0 if the first n u16 are the same in s1 and s2
* < 0 if the first different u16 in s1 is less than the
* corresponding u16 in s2