typo in message

lbitlib.c

@@ -1,5 +1,5 @@
 /*
-** $Id: lbitlib.c,v 1.14 2010/11/29 15:19:28 roberto Exp roberto $
+** $Id: lbitlib.c,v 1.15 2010/12/17 13:26:38 roberto Exp roberto $
 ** Standard library for bitwise operations
 ** See Copyright Notice in lua.h
 */
@@ -152,7 +152,7 @@ static int b_rrot (lua_State *L) {
 static int fieldargs (lua_State *L, int farg, int *width) {
   int f = luaL_checkint(L, farg);
   int w = luaL_optint(L, farg + 1, 1);
-  luaL_argcheck(L, 0 <= f, farg, "field cannot be netative");
+  luaL_argcheck(L, 0 <= f, farg, "field cannot be negative");
   luaL_argcheck(L, 0 < w, farg + 1, "width must be positive");
   if (f + w > LUA_NBITS)
     luaL_error(L, "trying to access non-existent bits");