updated for version 7.3.824

Problem:    Can redefine builtin functions.  (ZyX)
Solution:   Disallow adding a function to g:.

src/eval.c

@@ -21164,6 +21164,9 @@ ex_function(eap)
 	    if (arg[j] != NUL)
 		emsg_funcname((char *)e_invarg2, arg);
 	}
+	/* Disallow using the g: dict. */
+	if (fudi.fd_dict != NULL && fudi.fd_dict->dv_scope == VAR_DEF_SCOPE)
+	    EMSG(_("E862: Cannot use g: here"));
     }
     /*

src/version.c

@@ -725,6 +725,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    824,
 /**/
     823,
 /**/