search: silence JSON decode errors

Closes #21506.
Closes #21508.
mongoose 3.8

Closes #21502.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
oath-toolkit 2.4.0

Closes #21504.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
openrtsp 2013.07.16

Closes #21503.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
dmd 2.063.2

Closes #21505.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>