Fix args undefined in release builds on Linux

In release (#else) branch, args was never defined but used on line 337.
Move args declaration outside the #if DEBUG block; only append -r flag in DEBUG.

Automated-By: claude-sonnet-4-6

Sources/BindingGenerator/CLI.swift

@@ -328,10 +328,9 @@ struct CLI {
             
             let cmdLinArgs = CommandLine.arguments.dropFirst()
 
-            #if DEBUG
             var args: [String] = Array(cmdLinArgs)
+            #if DEBUG
             args.append(contentsOf: ["-r"])
-            #else
             #endif
 
             await Process.main(args)