fix import dot bug

R=ken
OCL=33526
CL=33528

src/cmd/gc/go.h

@@ -956,7 +956,6 @@ NodeList*	initfix(NodeList*);
 /*
  *	export.c
  */
-void	renameimports(void);
 void	autoexport(Node*, int);
 int	exportname(char*);
 void	exportsym(Node*);

src/cmd/gc/subr.c

@@ -239,7 +239,7 @@ importdot(Sym *opkg)
 		for(s = hash[h]; s != S; s = s->link) {
 			if(s->package[0] != c)
 				continue;
-			if(!exportname(s->name))
+			if(!exportname(s->name) || utfrune(s->name, 0xb7))	// 0xb7 = center dot
 				continue;
 			if(strcmp(s->package, opkg->name) != 0)
 				continue;

test/fixedbugs/bug191.dir/a.go

+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package a
+
+func init() {
+	println("a");
+}

test/fixedbugs/bug191.dir/b.go

+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package b
+
+func init() {
+	println("b");
+}

test/fixedbugs/bug191.go

+// $G $D/bug191.dir/a.go && $G $D/bug191.dir/b.go && $G $D/$F.go && $L $F.$A
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import . "./a"
+import . "./b"
+
+func main() {
+}