Remove unneeded stub.

mtm.c

@@ -893,12 +893,6 @@ deletenode(NODE *n) /* Delete a node. */
     freenode(n, true);
 }
 
-static void
-bailout(void) /* nothing to do */
-{
-    ;
-}
-
 static void
 reshapeview(NODE *n, int d, int ow) /* Reshape a view. */
 {
@@ -1107,7 +1101,7 @@ handlechar(int r, int k) /* Handle a single input character. */
     DO(true,  HSPLIT,              split(n, HORIZONTAL))
     DO(true,  VSPLIT,              split(n, VERTICAL))
     DO(true,  DELETE_NODE,         deletenode(n))
-    DO(true,  BAILOUT,             bailout())
+    DO(true,  BAILOUT,             (void)1)
     DO(true,  REDRAW,              touchwin(stdscr); draw(root); redrawwin(stdscr))
     DO(true,  SCROLLUP,            scrollback(n))
     DO(true,  SCROLLDOWN,          scrollforward(n))