hg: jdk9/sandbox: 8142367: Allow files with .png extension to be copied for javadoc

[chris.hegarty at oracle.com]

Changeset: 677b0352a707
Author:    bpatel
Date:      2015-11-16 22:49 +0000
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/677b0352a707

8142367: Allow files with .png extension to be copied for javadoc
Reviewed-by: erikj

! make/CompileJavaModules.gmk