unet-connect:  Axe unused connect() declaration
unet-connect:  Axe unused connection::its_argv
unet-connect:  Axe argv param to connection()
unet-connect:  Axe argv param to connection_box()
Merge branch 'axe-unet-connection-argv' into unet-cleanup
Merge branch 'unet-cleanup'
relix:  Fix pipe writer flags

This was breaking git-upload-pack when it tried to fdopen a pipe writer,
since the permissions ("w") didn't match the flags (O_RDONLY).