hg: jdk9/dev/langtools: 8169203: (jdeprscan) eliminate duplicate "can't find class" errors

[stuart.marks at oracle.com]

Changeset: 29001eb39fd8
Author:    smarks
Date:      2017-04-26 15:49 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/29001eb39fd8

8169203: (jdeprscan) eliminate duplicate "can't find class" errors
Reviewed-by: jjg

! src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/scan/Scan.java
+ test/tools/jdeprscan/tests/jdk/jdeprscan/TestNotFound.java