Fail if not finding iv.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@21141 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/hx509/ks_file.c

@@ -232,7 +232,13 @@ parse_rsa_private_key(hx509_context context, const char *fn,
 	}
 
 	iv = strchr(type, ',');
-	if (iv)
+	if (iv == NULL) {
+	    free(type);
+	    hx509_set_error_string(context, 0, HX509_PARSING_KEY_FAILED,
+				   "IV missing");
+	    return HX509_PARSING_KEY_FAILED;
+	}
+
 	*iv++ = '\0';
 
 	size = strlen(iv);