Fix indentation error

Author: kyb3r

cogs/modmail.py

@@ -216,7 +216,7 @@ async def logs(self, ctx, *, member: discord.Member=None):
             if current_day != new_day or index == len(logs) - 1:
                 embeds[-1].add_field(name=current_day, value=fmt)
                 current_day = new_day
-                    fmt = ''
+                fmt = ''
 
         session = PaginatorSession(ctx, *embeds)
         await session.run()