[libcxxabi] r290937 - tweak definition to avoid GCC warning

[Saleem Abdulrasool via cfe-commits]

Author: compnerd
Date: Tue Jan  3 23:45:24 2017
New Revision: 290937

URL: http://llvm.org/viewvc/llvm-project?rev=290937&view=rev
Log:
tweak definition to avoid GCC warning

Use an `extern "C" { }` block around the definition rather than doing
the inline definition.  This avoids a GCC warning about a declaration
being extern and having a definition.  NFC.

Modified:
    libcxxabi/trunk/src/cxa_handlers.cpp

Modified: libcxxabi/trunk/src/cxa_handlers.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/src/cxa_handlers.cpp?rev=290937&r1=290936&r2=290937&view=diff
==============================================================================
--- libcxxabi/trunk/src/cxa_handlers.cpp (original)
+++ libcxxabi/trunk/src/cxa_handlers.cpp Tue Jan  3 23:45:24 2017
@@ -104,7 +104,9 @@ terminate() _NOEXCEPT
 
 // In the future this will become:
 // std::atomic<std::new_handler>  __cxa_new_handler(0);
-extern "C" _LIBCXXABI_DATA_VIS new_handler __cxa_new_handler = 0;
+extern "C" {
+_LIBCXXABI_DATA_VIS new_handler __cxa_new_handler = 0;
+}
 
 new_handler
 set_new_handler(new_handler handler) _NOEXCEPT