Brad Fitzpatrick 194b19a4b3 Add missing wallpaper service lock.
Unimportant, but found while reading the code for other reasons.

Change-Id: I9f2fad3ff5d081aef7a35e5f33ec5de7dc92195e
2010-09-14 11:30:29 -07:00
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2010-09-14 11:30:29 -07:00