rspro_util: DER encoder returns size in bytes, no need to divide by 8

Change-Id: I559afe17981a77024b6d14058f89c5f103767939
diff --git a/src/rspro_util.c b/src/rspro_util.c
index 1db5ceb..4da9270 100644
--- a/src/rspro_util.c
+++ b/src/rspro_util.c
@@ -29,7 +29,7 @@
 	if (rval.encoded < 0) {
 		return NULL;
 	}
-	msgb_put(msg, rval.encoded/8);
+	msgb_put(msg, rval.encoded);
 
 	ASN_STRUCT_FREE(asn_DEF_RsproPDU, pdu);