Disable HTTP support if sys/socket.h isn't present.
Disable HTTP support if sys/socket.h isn't present.

This avoids trying to build in http support when cross-compiling
for windows.

Also cleans up some adjacent formatting.

youfearm3/opusfile,SmartWalkieOrg/opusfile,gcp/opusfile,gcp/opusfile,xiph/opusfile,gcp/opusfile,SmartWalkieOrg/opusfile,youfearm3/opusfile,xiph/opusfile,xiph/opusfile,SmartWalkieOrg/opusfile