Move symbols from the global namespace into (anonymous) namespaces. NFC.

llvm-svn: 294837
diff --git a/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp b/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp
index 23bffb9..22d99bf 100644
--- a/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp
+++ b/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp
@@ -101,10 +101,7 @@
   return ArchV;
 }
 
-unsigned HexagonGetLastSlot() {
-  return HexagonItinerariesV4FU::SLOT3;
-}
-
+unsigned llvm::HexagonGetLastSlot() { return HexagonItinerariesV4FU::SLOT3; }
 
 namespace {