swc-installation-test-2.py: Fix 'mercurial' version extraction
authorW. Trevor King <wking@tremily.us>
Sun, 30 Dec 2012 18:15:28 +0000 (13:15 -0500)
committerW. Trevor King <wking@tremily.us>
Tue, 1 Jan 2013 14:49:47 +0000 (09:49 -0500)
commit90b42a2b5a73cd9ec0a34f0c4d1788f69ecfa607
treebdf9ae54d53bd5ccd3b48332305a407b74ca3d62
parente9c5f665d24cf7d4b9ef21ad6160f173bc341004
swc-installation-test-2.py: Fix 'mercurial' version extraction

The Mercurial Python package stores its version in strange places.
swc-installation-test-2.py