Oops, PQExpBufferDataBroken doesn't exist before 9.2.
My previous back-patching went wrong.
Branch
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REL9_1_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/a788cbfdc406952ec41e34b1df64e65128021312
Modified Files
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src/interfaces/libpq/fe-protocol2.c | 2 +-
src/interfaces/libpq/fe-protocol3.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)