ImageJ Launcher: fix forgotten places expecting JAVA_HOME != NULL
ImageJ Launcher: fix forgotten places expecting JAVA_HOME != NULL

This has been backported to fiji.git on Tue Mar 27 06:00:33 2012 -0500.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

This used to be revision r5196.

TehSAUCE/imagej,TehSAUCE/imagej,TehSAUCE/imagej,biovoxxel/imagej,biovoxxel/imagej,biovoxxel/imagej