runtime: use _URC_FAILURE on ARM32
    
    ARM32 EABI unwinder does not define _URC_NORMAL_STOP. Instead,
    it has _URC_FAILURE. Use _URC_FAILURE there.
    
    Should fix ARM32 build.
    
    Reviewed-on: https://go-review.googlesource.com/c/153417


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@267033 138bc75d-0d04-0410-961f-82ee72b054a4
2 files changed