Avoid regression test cases that fail in locales that sort "v" and "w"

equally (in glibc: et_EE, sv_SE, tk_TM).  It turns out that this was
already taken care of previously by select_1.out, which I had forgotten to
update for an unrelated change.  But might as well avoid the issue
altogether.

src/test/regress/data/person.data

@@ -46,5 +46,5 @@ lita	25	(1.3,8.7)
 pamela	48	(8.21,9.3)
 sandy	38	(3.8,0.2)
 trisha	88	(1.29,2.2)
-vera	78	(9.73,6.4)
+uma	78	(9.73,6.4)
 velma	68	(8.8,8.9)

src/test/regress/expected/select.out

@@ -356,7 +356,7 @@ SELECT p.name, p.age FROM person* p;
  pamela  |  48
  sandy   |  38
  trisha  |  88
- vera    |  78
+ uma     |  78
  velma   |  68
  sharon  |  25
  sam     |  30
@@ -391,7 +391,7 @@ SELECT p.name, p.age FROM person* p ORDER BY age using >, name;
  chris   |  78
  sharon  |  78
  susan   |  78
- vera    |  78
+ uma     |  78
  wendy   |  78
  julie   |  68
  leah    |  68