clib2 Code

in the OS4 SDK. Otherwise "struct timeval" will not be defined at the time
the <net/if.h> of the netincludes will be included by <proto/bsdsocket.h>.

- The strftime() hook function had the locale and character parameters
switched, which made 'setlocale(LC_ALL,""); strftime(..);' unusable.
Fixed.

- fchown() and chown() now accept owner and group ID values of -1, which
indicate that the respective information should not be changed.

- The OS4 library build now includes the crtbegin.o and crtend.o object
files in the libc.a library, which solves a problem with the thread-safe
shared library support code.