hg: jmc/jmc: JMC-6497: Adding missing license header

[marcus at hirt.se]

Changeset: c333d40a4556
Author:    hirt <marcus at hirt.se>
Date:      2019-06-07 15:29 +0200
URL:       http://hg.openjdk.java.net/jmc/jmc/rev/c333d40a4556

JMC-6497: Adding missing license header
Reviewed-by: neugens, hdafgard

! core/org.openjdk.jmc.flightrecorder.rules.jdk/src/main/java/org/openjdk/jmc/flightrecorder/rules/jdk/exceptions/FatalErrorRule.java
! core/org.openjdk.jmc.flightrecorder.rules.jdk/src/main/java/org/openjdk/jmc/flightrecorder/rules/jdk/memory/FullGcRule.java