netutils/webclient: remove errout statement
netutils/webclient: remove errout statement

This commit removes the 'errout' statement by changing the location of
the buffer allocation area.

Change-Id: I062f5a65f52c98fe0abd59adeb602921edfbdea2
Signed-off-by: Jihun Ahn <31fe625dd60d1475d1b18ea57157c450e67c870a@samsung.com>

JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT