console: do not return NULL in kmscon_char_get_u8

A kmscon_char has always a valid buffer so we can always return a valid pointer.
The user shouldn't use it if length is 0 but it's not our job to prohibit that.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>

src/console_char.c

@@ -217,7 +217,7 @@ int kmscon_char_set_u8(struct kmscon_char *ch, const char *str, size_t len)
 
 const char *kmscon_char_get_u8(const struct kmscon_char *ch)
 {
-	if (!ch || !ch->len)
+	if (!ch)
 		return NULL;
 
 	return ch->buf;