xapian-core: correct PACKAGES variables
xapian-core: correct PACKAGES variables

correct the sub-packages libxapian22 to libxapian

Signed-off-by: Nguyen Van Hieu <95b6c63292b73e14e1eaecc80ea875350fcf3ae9@toshiba-tsdv.com>

meta-debian/meta-debian,meta-debian/meta-debian,tienlee/meta-debian,tienlee/meta-debian,nghiaht-tsdv/meta-debian,meta-debian/meta-debian,nghiaht-tsdv/meta-debian,nghiaht-tsdv/meta-debian,meta-debian/meta-debian,nghiaht-tsdv/meta-debian,tienlee/meta-debian,tienlee/meta-debian,nghiaht-tsdv/meta-debian,meta-debian/meta-debian,tienlee/meta-debian,meta-debian/meta-debian,tienlee/meta-debian,nghiaht-tsdv/meta-debian