pgsql: docs: re-add spaces before units removed

docs:  re-add spaces before units removed

This reverts the spaces before k/M/G/TB units removed for consistency in
commit ca0c37b56f4a80ad758774e34c86cc4335583d29.

Discussion: 20160802165116.GC32575@momjian.us

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/5ebad9a580d8f80943fd7095db14621278cc009c

Modified Files
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doc/src/sgml/bloom.sgml        |  4 ++--
doc/src/sgml/catalogs.sgml     |  2 +-
doc/src/sgml/config.sgml       |  4 ++--
doc/src/sgml/datatype.sgml     |  2 +-
doc/src/sgml/installation.sgml | 14 +++++++-------
doc/src/sgml/lobj.sgml         |  4 ++--
doc/src/sgml/protocol.sgml     |  2 +-
doc/src/sgml/runtime.sgml      | 10 +++++-----
doc/src/sgml/storage.sgml      | 20 ++++++++++----------
doc/src/sgml/wal.sgml          |  6 +++---
10 files changed, 34 insertions(+), 34 deletions(-)