It wouldn't have mattered to the international community.
The Yugoslav war raged on for several years before ANY international action happened. It began shortly after the breakup of the Eastern Block, and the West was very unsure on how to handle the problem in the post Soviet collapse. Eastern Europe was a political no man's land.
Had the Serbs and Croats come to a gentleman's agreement on the partitioning of Bosnia, it would've been over in a matter of a few months.