More bzero -> memset that I missed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91757 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/X86DisassemblerTables.cpp b/utils/TableGen/X86DisassemblerTables.cpp
index 83284a7..87e877a 100644
--- a/utils/TableGen/X86DisassemblerTables.cpp
+++ b/utils/TableGen/X86DisassemblerTables.cpp
@@ -238,7 +238,7 @@
   
   for (i = 0; i < 4; i++) {
     Tables[i] = new ContextDecision;
-    bzero(Tables[i], sizeof(ContextDecision));
+    memset(Tables[i], 0, sizeof(ContextDecision));
   }
   
   HasConflicts = false;