[pgpool-committers: 7064] pgpool: Add .gitignore files.

[Bo Peng]

Add .gitignore files.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=9c8ea012051e50fcf26de477905629619a8d0e39

Modified Files
--------------
src/test/.gitignore           |  2 ++
src/tools/pcp/.gitignore      |  2 ++
src/tools/pgmd5/.gitignore    |  1 +
src/tools/watchdog/.gitignore | 16 ++++++++++++++++
4 files changed, 21 insertions(+)