arm-linux: fix signal returning so that if SA_RESTORER is not
specified, the handler returns to the previous context rather than to
whatever value happens to be parked in the link register (duh).
Previous behaviour made complete nonsense of signal returning on
Android.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12273 a5019735-40e9-0310-863c-91ae7b9d1cf9
3 files changed