[libc-commits] [libc] [libc][signal] clean up usage of sighandler_t (PR #125745)

[via libc-commits]

================
@@ -275,13 +275,14 @@ add_header_macro(
   signal.h
   DEPENDS
     .llvm-libc-macros.signal_macros
+    .llvm-libc-types.__sighandler_t
----------------
enh-google wrote:

should this be `sighandler_t` instead?

https://github.com/llvm/llvm-project/pull/125745