- add musl libc detection (prevents configure error)
- adjust preload and symbol names (based on the OpenWrt patch, see [1])
[1] https://dev.openwrt.org/browser/trunk/package/devel/valgrind/patches/
200-musl_fix.patch?rev=46302
Patch by Peter Seiderer <ps.report@gmx.net>
It fixes Bug 359202.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@16296