search for: nullderefer

While building rsync 2.6.2 on my x86 Linux system using gcc 3.3.3, I observed a number of warnings from popt.c/h about ignoring qualifiers on return types. On further investigation, it looks like a few functions are declaring their return types as "const char * const". The first const is appropriate ("the chars pointed to by this pointer are const"), but the second is bogus