- fix horrible oversight in sorting rrset references in a message,

sort per reference key pointer, not on referencepointer itself.
        - pidfile: "/etc/unbound/unbound.pid" is now the default.
        - tests changed to reflect the updated default.


git-svn-id: file:///svn/unbound/trunk@724 be551aaa-1e26-0410-a405-d3ace91eadb9

testcode/testbound.c

@@ -140,6 +140,7 @@ setup_config(FILE* in, char* configfile, int* lineno,
 	fprintf(cfg, "		directory: \"\"\n");
 	fprintf(cfg, "		chroot: \"\"\n");
 	fprintf(cfg, "		username: \"\"\n");
+	fprintf(cfg, "		pidfile: \"\"\n");
 	while(fgets(line, MAX_LINE_LEN-1, in)) {
 		parse = line;
 		(*lineno)++;