Force sync hashed symlinks for ca-bundle for multiple certificates

Related to issue #119

update-ca-certificate refuse to generate hashed symlinks when two
certificate is part of the same file. To fix this issue, we want to run
c_rehash to force the generation of hashed symlinks.

Signed-off-by: Mattias Andersson <mattis@mattis.nu>

cmd/setup-ca-certs/main.go

@@ -50,6 +50,13 @@ func main() {
 	}
 	logger.Println(string(out))
 
+	logger.Println("Forcing the generation of hashed symlinks...")
+	cmd = exec.Command("c_rehash", tempCerts)
+	err = cmd.Run()
+	if err != nil {
+		log.Fatal(err)
+	}
+
 	logger.Println("Copying CA certificates...")
 	err = CopyDir(tempCerts, "/workspace")
 	if err != nil {