Rust: Make QL-for-QL happy (part 2).

Author: geoffw0

rust/ql/src/queries/summary/QuerySinks.ql

@@ -14,4 +14,4 @@ import codeql.rust.dataflow.DataFlow
 import Stats
 
 from DataFlow::Node n
-select n, "Sink for " + strictconcat(getAQuerySinkKind(n), ", ")
+select n, "Sink for " + strictconcat(getAQuerySinkKind(n), ", ") + "."