drivers/net/wan: fix sparse warnings: make do-while a compound statement
drivers/net/wan: fix sparse warnings: make do-while a compound statement

Fix this sparse warnings:

  drivers/net/wan/wanxl.c:414:3: warning: do-while statement is not a compound statement
  drivers/net/wan/wanxl.c:441:3: warning: do-while statement is not a compound statement

Signed-off-by: Hannes Eder <331be22c6b63ca3e0a03d408c2d906b1b02cd5f2@hanneseder.net>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

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