hg: code-tools/sigtest: Added tag sigtest4.0 for changeset 192169249a8b

[mikhail.ershov at oracle.com]

Changeset: 2c331d6b5446
Author:    ersh
Date:      2017-05-12 10:51 +0300
URL:       http://hg.openjdk.java.net/code-tools/sigtest/rev/2c331d6b5446

Added tag sigtest4.0 for changeset 192169249a8b

! .hgtags