7.4final regression failure on uw713

Hi,

Don't know if it's bad, but make check reports a regression failure on
join.

Here's the regression.diffs

*** ./expected/join.out    Thu Sep 25 08:58:06 2003
--- ./results/join.out    Tue Nov 25 23:46:27 2003
***************
*** 1732,1739 ****      | 6 | 6 | six   |      | 7 | 7 | seven |      | 8 | 8 | eight |
-      |   |   | null  |      |   | 0 | zero  | (13 rows)
 SELECT '' AS "xxx", *
--- 1732,1739 ----      | 6 | 6 | six   |      | 7 | 7 | seven |      | 8 | 8 | eight |      |   | 0 | zero  |
+      |   |   | null  | (13 rows)
 SELECT '' AS "xxx", *
***************
*** 1752,1759 ****      | 6 | 6 | six   |      | 7 | 7 | seven |      | 8 | 8 | eight |
-      |   |   | null  |      |   | 0 | zero  | (13 rows)
 SELECT '' AS "xxx", *
--- 1752,1759 ----      | 6 | 6 | six   |      | 7 | 7 | seven |      | 8 | 8 | eight |      |   | 0 | zero  |
+      |   |   | null  | (13 rows)
 SELECT '' AS "xxx", *
***************
*** 1793,1800 **** -----+---+---+-------+----      | 0 |   | zero  |      | 1 | 4 | one   | -1
-      | 2 | 3 | two   |  2      | 2 | 3 | two   |  4      | 3 | 2 | three | -3      | 4 | 1 | four  |      | 5 | 0 |
five | -5
 
--- 1793,1800 ---- -----+---+---+-------+----      | 0 |   | zero  |      | 1 | 4 | one   | -1      | 2 | 3 | two   |
4
+      | 2 | 3 | two   |  2      | 3 | 2 | three | -3      | 4 | 1 | four  |      | 5 | 0 | five  | -5
***************
*** 1815,1822 **** -----+---+---+-------+----      | 0 |   | zero  |      | 1 | 4 | one   | -1
-      | 2 | 3 | two   |  2      | 2 | 3 | two   |  4      | 3 | 2 | three | -3      | 4 | 1 | four  |      | 5 | 0 |
five | -5
 
--- 1815,1822 ---- -----+---+---+-------+----      | 0 |   | zero  |      | 1 | 4 | one   | -1      | 2 | 3 | two   |
4
+      | 2 | 3 | two   |  2      | 3 | 2 | three | -3      | 4 | 1 | four  |      | 5 | 0 | five  | -5

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