cmd/dist: default to /usr/local prefix

This conventionally makes more sense for software not installed by the package manager.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/dist/main.go

@@ -57,7 +57,7 @@ func main() {
 	verbose := os.Getenv("VERBOSE") != ""
 	runTests := os.Getenv("HAKUREI_DIST_MAKE") == ""
 	version = getenv("HAKUREI_VERSION", strings.TrimSpace(version))
-	prefix := getenv("PREFIX", "/usr")
+	prefix := getenv("PREFIX", "/usr/local")
 	destdir := getenv("DESTDIR", "dist")
 
 	if verbose {