Merge pull request #1017 from lightninglabs/0-4-0-rc4

version: bump version to v0.4.0-alpha.rc4

Author: guggero

version.go

@@ -52,7 +52,7 @@ const (
 
 	// AppPreRelease defines the pre-release version of this binary.
 	// It MUST only contain characters from the semantic versioning spec.
-	AppPreRelease = "rc3"
+	AppPreRelease = "rc4"
 
 	// GitTagIncludeStatus indicates whether the status should be included
 	// in the git tag name.