Return player_color from game_loop rather than char.

The player_color type already is set to char, but this is a bit clearer
as to what the actual return values are

1 files changed, 1 insertions, 1 deletions

diff --git a/include/othello.h b/include/othello.h
index c7ed718..ed25b6d 100644
--- a/include/othello.h
+++ b/include/othello.h
@@ -15,5 +15,5 @@ bool is_valid_move(const player_color board[8][8],
                    const player_color current_player, const struct move move);
 bool has_valid_moves(const player_color board[8][8],
                      const player_color current_player);
-char game_loop(player_color board[8][8]);
+player_color game_loop(player_color board[8][8]);
 void print_board(const player_color board[8][8]);