Re-add recursive coverage target in src/backend/

This was lost during the recent recursive make change.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=e3094fd3a8052bb600b287c5dd844b3b0ac2fe11

Modified Files
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src/backend/common.mk |    2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

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Next:	From: Andrew Dunstan	Date: 2011-01-12 03:28:21
	Subject: pgsql: Unbreak regression tests, apparently broken by commit 4c8e20f
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