Btrfs: remove the useless assignment to *entry in function tree_insert of file extent_io.c
Btrfs: remove the useless assignment to *entry in function tree_insert of file extent_io.c

In tree_insert, var *entry is used in the loop only, and is useless
out of the loop. Remove the useless assignment after the loop.

Signed-off-by: Wang Sheng-Hui <bb485778c59c959c620dcf404550d8d7642fd953@gmail.com>

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