Remove unnecessary semicolon to silence -Wpedantic warning. NFCI.

llvm-svn: 341555
diff --git a/llvm/lib/XRay/BlockIndexer.cpp b/llvm/lib/XRay/BlockIndexer.cpp
index 4b76ad9..4ea2ffb 100644
--- a/llvm/lib/XRay/BlockIndexer.cpp
+++ b/llvm/lib/XRay/BlockIndexer.cpp
@@ -54,7 +54,7 @@
 Error BlockIndexer::visit(CallArgRecord &R) {
   CurrentBlock.Records.push_back(&R);
   return Error::success();
-};
+}
 
 Error BlockIndexer::visit(PIDRecord &R) {
   CurrentBlock.ProcessID = R.pid();