loongson/mirror: links for pjc

loongson/mirror pjc-0.2.6.1.tar.gz
loongson/mirror pjc-0.2.6.tar.gz
loongson/mirror pjc-0.2.5.1.tar.gz
loongson/mirror pjc-0.2.5.tar.gz
loongson/mirror pjc-0.2.4.2.tar.gz
loongson/mirror pjc-0.2.4.1.tar.gz
loongson/mirror pjc-0.2.4.tar.gz