hg: jdk9/hs-rt/hotspot: 8064779: Add additional comments for "8062370: Various minor code improvements"

[coleen.phillimore at oracle.com]

Changeset: 524b9a4ec5d9
Author:    coleenp
Date:      2014-11-17 11:26 -0500
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/524b9a4ec5d9

8064779: Add additional comments for "8062370: Various minor code improvements"
Summary: Provide additional comments to jio_snprintf and jio_vsnprintf
Reviewed-by: simonis, coleenp, mgronlun
Contributed-by: thomas.stuefe at sap.com

! src/share/vm/prims/jvm.cpp
! src/share/vm/prims/jvm.h