Make import private

Co-authored-by: Anders Schack-Mulligen <[email protected]>

Author: smowton

java/ql/lib/semmle/code/java/frameworks/JMS.qll

@@ -6,7 +6,7 @@
  */
 
 import java
-import semmle.code.java.dataflow.ExternalFlow
+private import semmle.code.java.dataflow.ExternalFlow
 
 /** Defines sources of tainted data in JMS 1. */
 private class Jms1Source extends SourceModelCsv {