build: Fix 'hcitool' and 'bdaddr' compilation
build: Fix 'hcitool' and 'bdaddr' compilation

Now with the addition of src/oui.c that depends on udev, these tools
should also be linked against libudev, in case libudev includes the
function udev_hwdb_new().

Build error:
  CCLD     tools/hcitool
  CCLD     tools/sdptool
  CCLD     tools/ciptool
  CCLD     tools/bccmd
src/oui.o: In function `batocomp':
/home/vinicius/work/bluez/src/oui.c:42: undefined reference to `udev_new'
/home/vinicius/work/bluez/src/oui.c:46: undefined reference to `udev_hwdb_new'
/home/vinicius/work/bluez/src/oui.c:50: undefined reference to `udev_hwdb_get_properties_list_entry'
/home/vinicius/work/bluez/src/oui.c:53: undefined reference to `udev_list_entry_get_name'
/home/vinicius/work/bluez/src/oui.c:52: undefined reference to `udev_list_entry_get_next'
/home/vinicius/work/bluez/src/oui.c:61: undefined reference to `udev_hwdb_unref'
/home/vinicius/work/bluez/src/oui.c:64: undefined reference to `udev_unref'
/home/vinicius/work/bluez/src/oui.c:56: undefined reference to `udev_list_entry_get_value'
collect2: error: ld returned 1 exit status
make[1]: *** [tools/hcitool] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [all] Error 2

pkarasev3/bluez,pkarasev3/bluez,ComputeCycles/bluez,silent-snowman/bluez,silent-snowman/bluez,silent-snowman/bluez,mapfau/bluez,pstglia/external-bluetooth-bluez,ComputeCycles/bluez,pstglia/external-bluetooth-bluez,pkarasev3/bluez,mapfau/bluez,pkarasev3/bluez,ComputeCycles/bluez,pstglia/external-bluetooth-bluez,mapfau/bluez,silent-snowman/bluez,ComputeCycles/bluez,pstglia/external-bluetooth-bluez,mapfau/bluez