Fix typo and avoid warning.

crypto/asn1/a_type.c

@@ -100,7 +100,7 @@ int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value)
 	else
 		{
 		ASN1_STRING *sdup;
-		sdup = ASN1_STRING_dup(sdup);
+		sdup = ASN1_STRING_dup(value);
 		if (!sdup)
 			return 0;
 		ASN1_TYPE_set(a, type, sdup);

crypto/x509/x509_att.c

@@ -286,8 +286,8 @@ int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
 int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, const void *data, int len)
 {
 	ASN1_TYPE *ttmp;
-	ASN1_STRING *stmp;
-	int atype;
+	ASN1_STRING *stmp = NULL;
+	int atype = 0;
 	if (!attr) return 0;
 	if(attrtype & MBSTRING_FLAG) {
 		stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,