Remove dead assignment
Remove unused code
Fix ASAN related crash in nk format
Fix compilation failure with Clang (trunk)

See http://clang.llvm.org/compatibility.html#inline
Fix memory leak + "invalid read" in pwsafe formats
Fix "invalid read" in keepass format
Fix "invalid read" in ike format
Fix misc. "invalid read" problems
make valid() stronger in clipperz format
make valid() stronger in radmin format
make valid() stronger in pst format
make valid() stronger in mozilla format
fix potential leaks in dmg format
fix memory leaks in zip2john