Adapt to new STV_DEFAULT definition.

FreeBSD, whose ELF definitions we're switching to as part of the riscv64
work, defines STV_DEFAULT as 0x0 rather than 0, so this code no longer
gets away with a silent redefinition.

Test: treehugger
Change-Id: I3d6e0186cef615c585e416ba0fa64229ad18d38c
1 file changed