Update CppInterOp.cpp

Author: mcbarton

lib/Interpreter/CppInterOp.cpp

@@ -3441,12 +3441,8 @@ namespace Cpp {
   }
 
   class StreamCaptureInfo {
-    struct file_deleter
-    {
-      void operator()(FILE* fp)
-      {
-        pclose(fp);
-      }
+    struct file_deleter {
+      void operator()(FILE* fp) { pclose(fp); }
     };
     using file_pointer = std::unique_ptr<FILE, file_deleter>;
     file_pointer m_TempFile;