make it compile with -Werror by forcing a type casting

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index 91cb599..1751f25 100644 (file)
--- a/src/smpi/smpi_base.c
+++ b/src/smpi/smpi_base.c
@@ -115,7 +115,7 @@ void smpi_mpi_start(MPI_Request request)
                SIMIX_req_comm_isend(mailbox, request->size, -1.0,
                                    request->buf, request->size,
                                    &match_send,
-                                   &smpi_mpi_request_free, // how to free the userdata if a detached send fails
+                                   (void (*)(void *))&smpi_mpi_request_free, // how to free the userdata if a detached send fails
                                    request,
                                    // detach if msg size < eager/rdv switch limit
                                    detached);