MPILIB: Reinstate mpi_cmp[_ui]() and export for RSA signature verification

Reinstate and export mpi_cmp() and mpi_cmp_ui() from the MPI library for use by
RSA signature verification as per RFC3447 section 5.2.2 step 1.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/mpi/Makefile b/lib/mpi/Makefile
index 45ca90a8639c..019a68c90144 100644
--- a/lib/mpi/Makefile
+++ b/lib/mpi/Makefile
@@ -14,6 +14,7 @@ mpi-y = \
         generic_mpih-add1.o             \
         mpicoder.o                      \
         mpi-bit.o                       \
+        mpi-cmp.o                       \
         mpih-cmp.o                      \
         mpih-div.o                      \
         mpih-mul.o                      \