pgsql: Rename comparePos() to compareWordEntryPos()

Rename comparePos() to compareWordEntryPos()

Rename comparePos() to compareWordEntryPos() to prevent export of too
generic name.

Per gripe from Tom Lane.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/4e55b3f0335c2aa658cd9d1fda4dea2a1f9ab80d

Modified Files
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src/backend/utils/adt/tsvector.c    | 4 ++--
src/backend/utils/adt/tsvector_op.c | 2 +-
src/include/tsearch/ts_type.h       | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)