[JITLink] Use memset instead of bzero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358822 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JITLink/JITLink.cpp b/lib/ExecutionEngine/JITLink/JITLink.cpp
index 05901a1..38c786e 100644
--- a/lib/ExecutionEngine/JITLink/JITLink.cpp
+++ b/lib/ExecutionEngine/JITLink/JITLink.cpp
@@ -216,8 +216,8 @@
       return errorCodeToError(EC);
 
     // Zero out the zero-fill memory.
-    bzero(static_cast<char *>(SegMem.base()) + ZeroFillStart,
-          Seg.getZeroFillSize());
+    memset(static_cast<char *>(SegMem.base()) + ZeroFillStart, 0,
+           Seg.getZeroFillSize());
 
     // Record the block for this segment.
     Blocks[KV.first] = std::move(SegMem);