pmdabcc: uprobe_hits: fix use of wrong variable
pmdabcc: uprobe_hits: fix use of wrong variable

Should have used self.uprobes not self.uprobe. Had impact only
if duplicated configuration entries in the config file.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp