Rename virtual table anchors from Anchor() to anchor() for consistency with the rest of the tree.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164666 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 8fed48c..ffa7976 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -267,7 +267,7 @@
 
 /* *** */
 
-void MCTargetExpr::Anchor() {}
+void MCTargetExpr::anchor() {}
 
 /* *** */