Microblaze: -Wmaybe-uninitialized

[Nick Clifton]

Hi Jan-Benedict,

> Building current GAS (0b99a66053fa1e93a984f75a7a3d5343c74882fb) with
> an up-to-date GCC results in maybe-uninitialized warnings that seem to
> be legit for --target=microblaze-{linux,elf}, ie.:

> [all 2021-09-03 18:17:32] config/tc-microblaze.c: In function 'md_assemble':
> [all 2021-09-03 18:17:32] config/tc-microblaze.c:1170:27: error: 'immed' may be used uninitialized [-Werror=maybe-uninitialized]
> [all 2021-09-03 18:17:32]  1170 |       if (immed != (immed % 32))

Fair enough.  I have checked in a quick patch to initialise the variable.

Cheers
   Nick