check for mq_getattr() in -lrt
check for mq_getattr() in -lrt

In old versions of libudev the -lrt link flags is not added. This
library is required for mq_getattr() used by sd-daemon.c

On Ubuntu 10.04:
$ pkg-config --libs libudev
-ludev  
$ dpkg -l libudev-dev
ii  libudev-dev    151-12.3       udev library (development files)

On Debian wheery:
$ pkg-config --libs libudev
-ludev -lrt  
$ dpkg -l libudev-dev
ii  libudev-dev    172-1          libudev development files


git-svn-id: f2d781e409b7e36a714fc884bb9b2fc5091ddd28@5940 0ce88b0d-b2fd-0310-8134-9614164e65ea

vicamo/pcsc-lite-android,vicamo/pcsc-lite-android,vicamo/pcsc-lite-android,vicamo/pcsc-lite-android,vicamo/pcsc-lite-android