Always send Content-Length with POST, PUT, PATCH
Remove empty new-line
Fix skip exit code to 77 in tests/Test-stdouterr.px
Added $(LIB_CLOCK_GETTIME) to unit test linkage

On systems with separate librt we need this to successfully
link the unit test program.

Reported-by: kdevel@vogtner.de
Fix segmentation fault on do_conversion() failure

Having an unknown local encoding made Wget crash.
We also fix a wrong 'Conversion from ...' message and
changed two logging messages into debug messages.

Reported-by: Mikael Magnusson <mikachu@gmail.com>