Remove three unnecessary compile-time warnings.

Two were trivial.  The one for strncmp is slightly trickier;  you have to be
careful with the signedness of chars when comparing them... but the code
already casts s1 and s2 to (unsigned char*) before comparing them, so it's not
a problem.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2618 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed