X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/5d758a462abebb9885f2e596f7892479812de125..1ba28e2b955b005ce4825fec792df17f75a8de1e:/src/src/pdkim/bignum.c

diff --git a/src/src/pdkim/bignum.c b/src/src/pdkim/bignum.c
index e4fc92d2c..d7b67a509 100644
--- a/src/src/pdkim/bignum.c
+++ b/src/src/pdkim/bignum.c
@@ -428,7 +428,7 @@ int mpi_read_file( mpi *X, int radix, FILE *fin )
 /*
  * Write X into an opened file (or stdout if fout == NULL)
  */
-int mpi_write_file( char *p, mpi *X, int radix, FILE *fout )
+int mpi_write_file( const char *p, mpi *X, int radix, FILE *fout )
 {
     int n, ret;
     size_t slen;