[PATCH] mm: frontswap: silence GCC warning

Building frontswap.o (which, unsurprisingly, implements frontswap) triggers this GCC warning: mm/frontswap.c: In function 'frontswap_shrink': mm/frontswap.c:306:15: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] So GCC thinks try_to_unuse() can be

[PATCH] mm: frontswap: silence GCC warning

Building frontswap.o (which, unsurprisingly, implements frontswap) triggers this GCC warning: mm/frontswap.c: In function 'frontswap_shrink': mm/frontswap.c:306:15: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] So GCC thinks try_to_unuse() can be