Thread: pgsql: pgtest: grab possible warnings from install.log

pgtest:  grab possible warnings from install.log

Since PG 9.5, 'make check' records the build output in install.log, so
look in there for warnings too.

Backpatch-through: 9.5

Branch
------
REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/f0aff14d43394c669747af244e3c47fb8020cc77

Modified Files
--------------
src/tools/pgtest | 5 +++++
1 file changed, 5 insertions(+)