Add pkg-config files to e2fsprogs's libraries.

diff --git a/configure b/configure
index 1e786e6..ec27ba4 100644
--- a/configure
+++ b/configure
@@ -14276,6 +14276,8 @@
 	lib/et/Makefile lib/ss/Makefile lib/ext2fs/Makefile lib/e2p/Makefile \
 	lib/uuid/Makefile lib/uuid/uuid_types.h \
 	lib/blkid/Makefile lib/blkid/blkid_types.h \
+	lib/ss/ss.pc lib/uuid/uuid.pc lib/et/com_err.pc \
+	lib/e2p/e2p.pc lib/blkid/blkid.pc lib/ext2fs/ext2fs.pc \
 	misc/Makefile ext2ed/Makefile e2fsck/Makefile \
 	debugfs/Makefile tests/Makefile tests/progs/Makefile \
 	resize/Makefile doc/Makefile intl/Makefile po/Makefile.in ; do