Fix llvm signal tests build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375406 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/unittests/Support/SignalsTest.cpp b/unittests/Support/SignalsTest.cpp
index 6dfa4bf996de7980e6335bc399d662598bb6b793..8c595c203ae1baad52151b2e4dabe6e54dc32ed9 100644 (file)
--- a/unittests/Support/SignalsTest.cpp
+++ b/unittests/Support/SignalsTest.cpp
@@ -9,6 +9,7 @@
 #if !defined(_WIN32)
 #include <unistd.h>
 #include <sysexits.h>
+#include <signal.h>
 #endif // !defined(_WIN32)
 
 #include "llvm/Support/Signals.h"