clib2 Code

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lstat would overwrite the passed-in name in lstat_lock with ReadLink

- libunix.a now also holds stdlib_main.o, which should fix the issue with
the wildcard pattern expansion functions not getting included.

- Replacing "int" with "socklen_t" in the header files caused compilation
errors with the source code which wasn't using the new typedef yet. Fixed.

- statfs() never stated that a disk was mounted for read-only access
because the wrong InfoData structure member was tested. Fixed.

- Added ftello() and fseeko() which both merely call the equivalent (at
least for clib2) ftell() and fseek() functions, respectively.

Added section about profiling

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Added profil prototype

Removed compiler warnings

Added profiling support to makefile (PowerPC specific)