Remove duplicate semicolon in messages template.

Fixes #5316

Props MacPresss

git-svn-id: https://buddypress.svn.wordpress.org/trunk@7717 cdf35c40-ae34-48e0-9cc9-0c9da1808c22
Pinking shears

git-svn-id: https://buddypress.svn.wordpress.org/trunk@7718 cdf35c40-ae34-48e0-9cc9-0c9da1808c22