Return for error case and not when successfull while saving a pyc file

Author: czgdp1807

src/bin/lpython.cpp

@@ -571,7 +571,7 @@ int compile_python_to_object_file(
     LFortran::ASR::TranslationUnit_t* asr = r1.result;
     {
         int err = save_pyc_files(*asr, infile);
-        if( !err ) {
+        if( err ) {
             return err;
         }
     }