fix typos in conditional dependencies

bind/bind.spec

@@ -70,11 +70,11 @@ Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
 BuildPreReq:  OpenPKG, openpkg >= 20021002, make, openssl
 PreReq:       OpenPKG, openpkg >= 20021002
-%if "{with_dlz_mysql}" == "yes"
+%if "%{with_dlz_mysql}" == "yes"
 BuildPreReq:  MYSQL
 PreReq:       MYSQL
 %endif
-%if "{with_dlz_postgres}" == "yes"
+%if "%{with_dlz_postgres}" == "yes"
 BuildPreReq:  postgresql
 PreReq:       postgresql
 %endif