hg: jdk/submit: 8182413: jdwp-protocol is generated without a DOCTYPE directive

[serguei.spitsyn at oracle.com]

Changeset: 2a749b997a0d
Author:    sspitsyn
Date:      2017-12-06 02:09 -0800
URL:       http://hg.openjdk.java.net/jdk/submit/rev/2a749b997a0d

8182413: jdwp-protocol is generated without a DOCTYPE directive
Summary: add a DOCTYPE directive
Reviewed-by: alanb

! make/jdk/src/classes/build/tools/jdwpgen/RootNode.java