hg: jdk8/build: 7184406: Adjust get_source/hgforest script to allow for trailing // characters

[kelly.ohair at oracle.com]

Changeset: ba77d95ed219
Author:    ohair
Date:      2012-07-16 11:43 -0700
URL:       http://hg.openjdk.java.net/jdk8/build/rev/ba77d95ed219

7184406: Adjust get_source/hgforest script to allow for trailing // characters
Reviewed-by: tbell

! make/scripts/hgforest.sh