[PATCH] [libcxxabi] Fix -Werror build for 32-bit non-ARM.

[Renato Golin]

================
Comment at: src/Unwind/Unwind-EHABI.h:16
@@ +15,3 @@
+
+#if LIBCXXABI_ARM_EHABI
+
----------------
Is this duplication intended?

http://reviews.llvm.org/D7419

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