gc: error for nested functions, one semicolon problem

R=ken2
CC=golang-dev
https://golang.org/cl/1046042

src/cmd/gc/go.errors

@@ -53,4 +53,9 @@ static struct {
 	% loadsys package imports LFUNC LNAME '(' ')' '{' LDEFER LNAME ';'
 	"argument to go/defer must be function call",
 	
+	% loadsys package imports LVAR LNAME '=' LNAME '{' LNAME ';'
+	"need trailing comma before newline in composite literal",
+	
+	% loadsys package imports LFUNC LNAME '(' ')' '{' LFUNC LNAME
+	"nested func not allowed",
 };