test/fixedbugs/bug302: fix test on windows.

Change-Id: I74c2578d1620b37a6486eca00a774b9a736a8899
Reviewed-on: https://go-review.googlesource.com/1222Reviewed-by: Ian Lance Taylor <iant@golang.org>

test/fixedbugs/bug302.dir/main.go

@@ -5,8 +5,8 @@
 package main
 
 // Check that the export information is correct in p.6.
-import _ "./p"
+import _ "p"
 
 // Check that it's still correct in pp.a (which contains p.6).
-import _ "./pp"
+import _ "pp"
 

test/fixedbugs/bug302.go

@@ -25,7 +25,7 @@ func main() {
 
 	run("go", "tool", a+"g", filepath.Join("fixedbugs", "bug302.dir", "p.go"))
 	run("go", "tool", "pack", "grc", "pp.a", "p."+a)
-	run("go", "tool", a+"g", filepath.Join("fixedbugs", "bug302.dir", "main.go"))
+	run("go", "tool", a+"g", "-I", ".", filepath.Join("fixedbugs", "bug302.dir", "main.go"))
 	os.Remove("p."+a)
 	os.Remove("pp.a")
 	os.Remove("main."+a)