Fix Line is indented too far to the left warnings

[xuwei-k]

[warn] -- Warning: /home/runner/work/sbinary/sbinary/core/target/scala-3.3.7/src_managed/main/generic.scala:124:6 
[warn] 124 |      def writes(out : Output, s : S) = {
[warn]     |      ^
[warn]     |      Line is indented too far to the left, or a `}` is missing
[warn] -- Warning: /home/runner/work/sbinary/sbinary/core/target/scala-3.3.7/src_managed/main/generic.scala:146:6 
[warn] 146 |      def writes(out : Output, s : S) = {
[warn]     |      ^
[warn]     |      Line is indented too far to the left, or a `}` is missing

[warn] -- Warning: /home/runner/work/sbinary/sbinary/core/target/scala-3.3.7/src_managed/main/standardtypes.scala:26:1 
[warn] 26 | = ( 
[warn]    | ^
[warn]    | Line is indented too far to the left, or a `}` is missing
[warn] -- Warning: /home/runner/work/sbinary/sbinary/core/target/scala-3.3.7/src_managed/main/standardtypes.scala:35:6 
[warn] 35 |      ;
[warn]    |      ^
[warn]    |      Line is indented too far to the left, or a `}` is missing
[warn] -- Warning: /home/runner/work/sbinary/sbinary/core/target/scala-3.3.7/src_managed/main/standardtypes.scala:46:1 
[warn] 46 | = ( 
[warn]    | ^
[warn]    | Line is indented too far to the left, or a `}` is missing
[warn] -- Warning: /home/runner/work/sbinary/sbinary/core/target/scala-3.3.7/src_managed/main/standardtypes.scala:57:6 
[warn] 57 |      ;
[warn]    |      ^
[warn]    |      Line is indented too far to the left, or a `}` is missing