Request for approval for 8042835: Unexpected mnemonic in JFileChooser

[artem malinko]

Hello,

Please approve the backport of the fix to jdk7. Path is identical for 
all jdk versions.

bug: https://bugs.openjdk.java.net/browse/JDK-8042835
jdk9 changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/db1b1c12e6b0
jdk8 changeset: 
http://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/9c0b9ad3f70b
review thread: 
http://mail.openjdk.java.net/pipermail/swing-dev/2014-August/003779.html