Update lib/Interpreter/CppInterOp.cpp

Co-authored-by: Vassil Vassilev <[email protected]>

Author: mcbarton

lib/Interpreter/CppInterOp.cpp

@@ -2831,8 +2831,7 @@ namespace Cpp {
     struct file_deleter {
       void operator()(FILE* fp) { pclose(fp); }
     };
-    using file_pointer = std::unique_ptr<FILE, file_deleter>;
-    file_pointer pipe{popen(cmd, "r")};
+    std::unique_ptr<FILE, file_deleter> pipe{popen(cmd, "r")};
     LLVM_DEBUG(dbgs() << "Executing command '" << cmd << "'\n");
 
     if (!pipe) {