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-rw-r--r--libtommath/bn_mp_abs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libtommath/bn_mp_abs.c b/libtommath/bn_mp_abs.c
index d5fc012..9b6bcec 100644
--- a/libtommath/bn_mp_abs.c
+++ b/libtommath/bn_mp_abs.c
@@ -19,7 +19,7 @@
*
* Simple function copies the input and fixes the sign to positive
*/
-int mp_abs(mp_int *a, mp_int *b)
+int mp_abs(const mp_int *a, mp_int *b)
{
int res;