Portability fix

mysql-test/t/bigint.test

@@ -4,6 +4,12 @@
 select 0,256,00000000000000065536,2147483647,-2147483648,2147483648,+4294967296;
 select 9223372036854775807,-009223372036854775808;
 select +9999999999999999999,-9999999999999999999;
+
+#
+# We need to do a REPLACE here as the atof() function returns different
+# values on True64 and HPUX11
+#
+--replace_result 9223372036854775800 9223372036854775808
 select 9223372036854775808+1;
 #
 # In 3.23 we have to disable the test of column to bigint as