Use Windows line endings in libgo test file

[Ian Lance Taylor via Gcc-patches]

I've committed a trivial patch to use the correct Windows line endings
in the libgo test file
libgo/go/runtime/testdata/testwinsignal/main.go.

Ian

diff --git a/libgo/go/runtime/testdata/testwinsignal/main.go 
b/libgo/go/runtime/testdata/testwinsignal/main.go
index 1e7c9475fd6..d8cd884ffac 100644
--- a/libgo/go/runtime/testdata/testwinsignal/main.go
+++ b/libgo/go/runtime/testdata/testwinsignal/main.go
@@ -1,19 +1,19 @@
-package main
-
-import (
-       "fmt"
-       "os"
-       "os/signal"
-       "time"
-)
-
-func main() {
-       c := make(chan os.Signal, 1)
-       signal.Notify(c)
-
-       fmt.Println("ready")
-       sig := <-c
-
-       time.Sleep(time.Second)
-       fmt.Println(sig)
-}
+package main
+
+import (
+       "fmt"
+       "os"
+       "os/signal"
+       "time"
+)
+
+func main() {
+       c := make(chan os.Signal, 1)
+       signal.Notify(c)
+
+       fmt.Println("ready")
+       sig := <-c
+
+       time.Sleep(time.Second)
+       fmt.Println(sig)
+}