Merge pull request #1202 from ipfs/godeps/metrics

godeps: update metrics (freebsd build fix)

Godeps/Godeps.json

@@ -63,7 +63,7 @@
 		},
 		{
 			"ImportPath": "github.com/codahale/metrics",
-			"Rev": "7d3beb1b480077e77c08a6f6c65ea969f6e91420"
+			"Rev": "7c37910bc765e705301b159683480bdd44555c91"
 		},
 		{
 			"ImportPath": "github.com/coreos/go-semver/semver",

Godeps/_workspace/src/github.com/codahale/metrics/runtime/fds.go

@@ -14,7 +14,9 @@ func getFDLimit() (uint64, error) {
 	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlimit); err != nil {
 		return 0, err
 	}
-	return rlimit.Cur, nil
+	// rlimit.Cur's type is platform-dependent, so here we widen it as far as Go
+	// will allow by converting it to a uint64.
+	return uint64(rlimit.Cur), nil
 }
 
 func getFDUsage() (uint64, error) {