Fix include of config.h that was incorrectly changed in r331184
The RWMutex implementation depends on config.h macros (specifically
HAVE_PTHREAD_H and HAVE_PTHREAD_RWLOCK_INIT), so we need to be
including it and not just llvm-config.h here or we fall back to a much
slower implementation.
llvm-svn: 331487
diff --git a/llvm/lib/Support/RWMutex.cpp b/llvm/lib/Support/RWMutex.cpp
index 8ebef70..8b6d74e 100644
--- a/llvm/lib/Support/RWMutex.cpp
+++ b/llvm/lib/Support/RWMutex.cpp
@@ -13,7 +13,7 @@
#include "llvm/Support/Allocator.h"
#include "llvm/Support/RWMutex.h"
-#include "llvm/Config/llvm-config.h"
+#include "llvm/Config/config.h"
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only TRULY operating system