Bump liberty

common.c

@@ -475,31 +475,6 @@ fail:
 
 // --- To be moved to liberty --------------------------------------------------
 
-static bool
-isalpha_ascii (int c)
-{
-	c &= ~32;
-	return c >= 'A' && c <= 'Z';
-}
-
-static bool
-isdigit_ascii (int c)
-{
-	return c >= '0' && c <= '9';
-}
-
-static bool
-isalnum_ascii (int c)
-{
-	return isalpha_ascii (c) || isdigit_ascii (c);
-}
-
-static int
-toupper_ascii (int c)
-{
-	return c >= 'A' && c <= 'Z' ? c : c - ('a' - 'A');
-}
-
 static void
 split_str (const char *s, char delimiter, struct str_vector *out)
 {