Fix libdir variable in libcryptsetup.pc
libdir is set to /lib/ in the autoconf environment, but we manually move libraries to /usr/lib/ with dh-exec. Adjust the libbdir path in the pkg-config file as well, otherwise the wrong -L flag is passed.
libdir is set to /lib/ in the autoconf environment, but we manually move libraries to /usr/lib/ with dh-exec. Adjust the libbdir path in the pkg-config file as well, otherwise the wrong -L flag is passed.