[JFFS2] Fix obsoletion of metadata nodes in jffs2_add_tn_to_tree()
[JFFS2] Fix obsoletion of metadata nodes in jffs2_add_tn_to_tree()

We should keep the mdata node with higher version number, not just the
one we happen to find latest. Doh.

Signed-off-by: David Woodhouse <97b3379caa91f4ee97e44013ae4dc6350540fa9d@infradead.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs