pgsql: Restore psql's SIGPIPE setting if popen() fails.

Restore psql's SIGPIPE setting if popen() fails.

Ancient oversight in PageOutput(): if popen() fails, we'd better reset
the SIGPIPE handler before returning stdout, because ClosePager() won't.
Noticed while fixing the empty-PAGER issue.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/b7e1ae2328f7d5a88d8916d78b4561d8ef16f99b

Modified Files
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src/fe_utils/print.c | 2 ++
1 file changed, 2 insertions(+)

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