Solaris libgo testsuite fixes.

From-SVN: r170762

libgo/go/net/port_test.go

@@ -27,9 +27,7 @@ var porttests = []portTest{
 	{"tcp", "smtp", 25, true},
 	{"tcp", "time", 37, true},
 	{"tcp", "domain", 53, true},
-	{"tcp", "gopher", 70, true},
 	{"tcp", "finger", 79, true},
-	{"tcp", "http", 80, true},
 
 	{"udp", "echo", 7, true},
 	{"udp", "tftp", 69, true},

libgo/go/os/os_test.go

@@ -609,7 +609,7 @@ func TestChdirAndGetwd(t *testing.T) {
 	}
 	// These are chosen carefully not to be symlinks on a Mac
 	// (unlike, say, /var, /etc, and /tmp).
-	dirs := []string{"/bin", "/", "/usr/bin"}
+	dirs := []string{"/", "/usr/bin"}
 	for mode := 0; mode < 2; mode++ {
 		for _, d := range dirs {
 			if mode == 0 {