hg: jdk9/dev: 8164402: key word 'requires' appearing in comment causing a build failure

[tim.bell at oracle.com]

Changeset: c6ff688d8ee7
Author:    tbell
Date:      2016-08-19 07:54 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/c6ff688d8ee7

8164402: key word 'requires' appearing in comment causing a build failure
Reviewed-by: erikj, dholmes

! make/common/Modules.gmk