[libunwind] Add missing <stdint.h> include. NFC.
This missing include seems to cause compilation failures on older MacOS
versions (< 10.9). This is because r270692 has introduced uint64_t into
config.h without including this header.
Patch from: Jeremy Huddleston Sequoia (jeremyhu@apple.com)
git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@284125 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/config.h b/src/config.h
index 8743f53..f61ded8 100644
--- a/src/config.h
+++ b/src/config.h
@@ -16,6 +16,7 @@
#include <assert.h>
#include <stdio.h>
+#include <stdint.h>
#include <stdlib.h>
// Define static_assert() unless already defined by compiler.
