My experience is admittedly limited, but those bugs should be able to ferment out the fruit without problems. My friend pitched an old 2004 package of Wyeast Roeselare smackpack into a nasty Koelsch this year for fun, and it did its job just fine.
The Fiesty(sic) Goat Brewery est. 2007 & Clusterfuggle Experimental Ales est. 2009
Planned: sLambic II, Flanders Red II
Primary: Fat Man Porter, Orange Blossom Mead, sLambic I
Secondary: Flanders Red I
Kegged: 3 different ciders, Janet's Brown, Barrel-aged Stout, Hallertau Blanc Pale Ale
Bottled: Flanders Red I