cifs: remove bogus reset of smb_buf_length in smb_send routines
cifs: remove bogus reset of smb_buf_length in smb_send routines

There's a comment here about how we don't want to modify this length,
but nothing in this function actually does.

Signed-off-by: Jeff Layton <4376fbf8623cd7b7c0232225289bb91cedc0a27f@redhat.com>
Signed-off-by: Steve French <51565b4e5841e493fd669866e11ea3c7c0d781cc@gmail.com>

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