use fmt_ldapescape2

ldapclient.c

@@ -17,7 +17,7 @@
 #define BUFSIZE 8192
 
 static void buffer_putescaped(buffer* b,const char* x,size_t l) {
-  size_t needed=fmt_ldapescape(0,x,l);
+  size_t needed=fmt_ldapescape2(0,x,l,"");
   char* buf=alloca(needed);
   fmt_ldapescape(buf,x,l);
   buffer_put(b,buf,needed);