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

@@ -327,13 +327,12 @@ struct CLI {
             #endif
             
             let cmdLinArgs = CommandLine.arguments.dropFirst()
-            
+
+            var args: [String] = Array(cmdLinArgs)
             #if DEBUG
-            var args:[String] = Array(cmdLinArgs)
             args.append(contentsOf: ["-r"])
-            #else
             #endif
-            
+
             await Process.main(args)
         } else {
             print("This only works on mac 13 and newer.")