Fix run-time error in unifyInformation

Cloogle/Search.icl

@@ -103,6 +103,7 @@ search` {unify,name,className,typeName,using,modules,libraries,page,include_buil
 unifyInformation :: !(Maybe Type) !(Map String [TypeDef]) ![TypeDef] !FunctionEntry !*CloogleDB
 	-> *(!Maybe Unifier, ![TypeDef], !Maybe [(!String, ![LocationResult])], !*CloogleDB)
 unifyInformation orgsearchtype allsyns usedsyns fe db
+| isNothing fe.fe_type = (Nothing, usedsyns, Nothing, db)
 # (alwaysUnique,db) = alwaysUniquePredicate db
 # (usedsyns,fe_type) = appFst (flip (++) usedsyns) $ prep alwaysUnique $ fromJust fe.fe_type
 # tvas = orgsearchtype >>= unify fe_type