Fix uint32 type name.
Fix uint32 type name.

fuchsia-mirror/third_party-gflags,schuhschuh/gflags,fuchsia-mirror/third_party-gflags,fuchsia-mirror/third_party-gflags,schuhschuh/gflags,gflags/gflags,gflags/gflags,n054/gflags,schuhschuh/gflags,fuchsia-mirror/third_party-gflags,gflags/gflags,n054/gflags,gflags/gflags,n054/gflags,schuhschuh/gflags,n054/gflags