random: fix up sparse warnings
authorTheodore Ts'o <tytso@mit.edu>
Fri, 6 Jul 2012 18:03:18 +0000 (14:03 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Fri, 6 Jul 2012 18:13:25 +0000 (14:13 -0400)
Add extern and static declarations to suppress sparse warnings

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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