pgsql: Run pgindent on a batch of (mostly-planner-related) source files

Run pgindent on a batch of (mostly-planner-related) source files.

Getting annoyed at the amount of unrelated chatter I get from pgindent'ing
Rowley's unique-joins patch. Re-indent all the files it touches.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/de94e2af184e25576b13cbda8cf825118835d1cd

Modified Files
--------------
contrib/postgres_fdw/postgres_fdw.c | 28 +++++------
src/backend/commands/explain.c | 17 ++++---
src/backend/nodes/copyfuncs.c | 2 +-
src/backend/nodes/equalfuncs.c | 2 +-
src/backend/nodes/outfuncs.c | 2 +-
src/backend/optimizer/path/costsize.c | 6 +--
src/backend/optimizer/path/joinpath.c | 95 ++++++++++++++++++-----------------
src/backend/optimizer/plan/planmain.c | 8 +--
src/backend/optimizer/plan/setrefs.c | 34 ++++++-------
src/backend/optimizer/util/relnode.c | 14 +++---
src/backend/parser/parse_clause.c | 4 +-
src/include/nodes/nodes.h | 6 +--
src/include/nodes/relation.h | 9 ++--
src/include/optimizer/planmain.h | 5 +-
14 files changed, 118 insertions(+), 114 deletions(-)