message: Prefer .h over .hpp
diff: @@ -4,5 +4,7 @@ if [ ! -f "../../scripts/amalgamation.py" ]; then
  echo "Could find neither the amalgamation build script"
  exit 1
  fi
  -(cd ../.. && python scripts/amalgamation.py --source=tools/rpkg/src/duckdb.cpp --header=tools/rpkg/src/duckdb.hpp)
  -(cd ../.. && python extension/parquet/parquet_amalgamation.py --source=tools/rpkg/src/parquet-extension.cpp --header=tools/rpkg/src/parquet-extension.hpp)
  +
  +# R issues a warning for .hpp files, use .h to silence it
  +(cd ../.. && python scripts/amalgamation.py --source=tools/rpkg/src/duckdb.cpp --header=tools/rpkg/src/duckdb.h)
  +(cd ../.. && python extension/parquet/parquet_amalgamation.py --source=tools/rpkg/src/parquet-extension.cpp --header=tools/rpkg/src/parquet-extension.h)
  