-{
-uschar *p = big_buffer + Ustrlen(big_buffer);
-while (p > big_buffer && isspace(p[-1])) p--;
-*p = 0;
-if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
-while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
-gid = Uatoi(p);
-if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
-*p = 0;
-if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
-while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
-uid = Uatoi(p);
-if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
-*p = 0;
-}
+ {
+ uschar *p = big_buffer + Ustrlen(big_buffer);
+ while (p > big_buffer && isspace(p[-1])) p--;
+ *p = 0;
+ if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
+ while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
+ gid = Uatoi(p);
+ if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
+ *p = 0;
+ if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
+ while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
+ uid = Uatoi(p);
+ if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
+ *p = 0;
+ }