network: Fix typo in error message related to iiod client open
network: Fix typo in error message related to iiod client open

Signed-off-by: Dan Nechita <0d348f54705b7a521d732c6906bfe1864d17d562@analog.com>

analogdevicesinc/libiio,analogdevicesinc/libiio,analogdevicesinc/libiio,analogdevicesinc/libiio