hg: jdk7u/jdk7u-dev/jdk: 7130662: GTK file dialog crashes with a NPE

[ahughes at redhat.com]

Changeset: 885ad3351534
Author:    anthony
Date:      2012-01-18 19:09 +0400
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u-dev/jdk/rev/885ad3351534

7130662: GTK file dialog crashes with a NPE
Summary: Guard adding a back slash to the directory name with an if (!= null) check
Reviewed-by: anthony, art
Contributed-by: Matt <melkor at orangepalantir.org>

! src/solaris/classes/sun/awt/X11/GtkFileDialogPeer.java