Bug#921406: haskell-juicypixels: -O0 also for mips64 mips64r6 mips64r6el

[YunQiang Su]

Package: src:haskell-juicypixels
Version: 3.2.9.5-4

Please also use -O0 for mips64 mips64r6 mips64r6el.
The bug of ghc also exists on these architectures.

-- 
YunQiang Su