[libc++][NFC] Move format_to_n_result.
Places `format_to_n_result` to its own file. While working on D112361 it
turns out the type will be used outside the format header.
Reviewed By: #libc, Quuxplusone, Mordante
Differential Revision: https://reviews.llvm.org/D113831
NOKEYCHECK=True
GitOrigin-RevId: 5baa4ee30b5c2d3920499d974c152525636ab8ac
diff --git a/include/module.modulemap b/include/module.modulemap
index 39b8a66..b159d58 100644
--- a/include/module.modulemap
+++ b/include/module.modulemap
@@ -463,6 +463,7 @@
module format_fwd { private header "__format/format_fwd.h" }
module format_parse_context { private header "__format/format_parse_context.h" }
module format_string { private header "__format/format_string.h" }
+ module format_to_n_result { private header "__format/format_to_n_result.h" }
module formatter { private header "__format/formatter.h" }
module formatter_bool { private header "__format/formatter_bool.h" }
module formatter_char { private header "__format/formatter_char.h" }