tree 31f9f8123cb1cbce83074f6fa6eaa752f66206d4
parent 895e23fb293d47e565f731d9c1c136aa2491a81b
author Scott Graham <scottmg@google.com> 1549930424 -0800
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1549943558 +0000

[gn][libfs] Fix shortening warning in block-txn.cpp

Pending gn host build will be more strict and reports:

[0->1/1 ~1] CXX host-x64-linux-clang/obj/system/ulib/fs/libfs.block-txn.cpp.o
../system/ulib/fs/block-txn.cpp:93:43: warning: implicit conversion loses integer precision: 'unsigned long' to 'uint32_t' (aka 'unsigned int') [-Wshorten-64-to-32]
            handler_->Writeblk(dev_offset + b, data);
                      ~~~~~~~~ ~~~~~~~~~~~^~~
../system/ulib/fs/block-txn.cpp:95:42: warning: implicit conversion loses integer precision: 'unsigned long' to 'uint32_t' (aka 'unsigned int') [-Wshorten-64-to-32]
            handler_->Readblk(dev_offset + b, data);
                      ~~~~~~~ ~~~~~~~~~~~^~~

ZX-3415 #comment [gn][libfs] Fix shortening warning in block-txn.cpp

Test: CQ
Change-Id: I1df3531502b627f6fac159629b5892016e165e69