pgsql: Catch errors in for loop in makefile

Catch errors in for loop in makefile

Add "|| exit" so that the rule aborts when a command fails.

This is the minimal backpatch version. The fix in head is more
elaborate.

Branch
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REL9_0_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/c8c93c6e73b98fc8e0e371a8391d4824732437f2

Modified Files
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src/makefiles/pgxs.mk | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)