File TeXmacs-null.patch of Package TeXmacs

--- plugins/axiom/src/tm_axiom.c
+++ plugins/axiom/src/tm_axiom.c
@@ -299,7 +299,7 @@
     case 0: /* Axiom */
       dup2(p1[1],1); close(p1[1]); close(p1[0]);
       dup2(p2[0],0); close(p2[0]); close(p2[1]);
-      execlp("AXIOMsys","AXIOMsys","-noclef",0);
+      execlp("AXIOMsys","AXIOMsys","-noclef",NULL);
       fatal("exec AXIOMsys");
     default: /* parent */
       close(p1[1]); close(p2[0]);