Converted a g_try_malloc to g_slice_new0
Converted a g_try_malloc to g_slice_new0

Signed-off-by: Michael Steinert <ff2bcd618b500c74b38137be3a6709962e7b76df@gmail.com>

msteinert/log4g,msteinert/log4g,msteinert/log4g