pgsql: Put comments on the installable procedural languages.

Put comments on the installable procedural languages.

Per suggestion from Josh Kupershmidt.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/99e47ed0b2d2c559da813e679260e218f2c1d2ee

Modified Files
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src/pl/plperl/plperl--1.0.sql | 2 ++
src/pl/plperl/plperlu--1.0.sql | 2 ++
src/pl/plpgsql/src/plpgsql--1.0.sql | 2 ++
src/pl/plpython/plpython2u--1.0.sql | 2 ++
src/pl/plpython/plpython3u--1.0.sql | 2 ++
src/pl/plpython/plpythonu--1.0.sql | 2 ++
src/pl/tcl/pltcl--1.0.sql | 2 ++
src/pl/tcl/pltclu--1.0.sql | 2 ++
8 files changed, 16 insertions(+), 0 deletions(-)