[compiler-rt] [compiler-rt][sanitizer] fix i386 build for Haiku (PR #171075)

[Joachim Mairböck via llvm-commits]

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@@ -629,7 +629,11 @@ typedef unsigned long __sanitizer_sigset_t;
 #  elif SANITIZER_APPLE
 typedef unsigned __sanitizer_sigset_t;
 #  elif SANITIZER_HAIKU
+#    if defined(__x86_64__)
 typedef unsigned long __sanitizer_sigset_t;
+#    else
+typedef unsigned long long __sanitizer_sigset_t;
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jmairboeck wrote:

`unsigned long long` should be the same as `unsigned long` on 64 bit, so this could be simplified to always use `unsigned long long`.

https://github.com/llvm/llvm-project/pull/171075