[LLDB] Migrate llvm::make_unique to std::make_unique

Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.

Differential revision: https://reviews.llvm.org/D66259

llvm-svn: 368933

lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp

@@ -1762,7 +1762,7 @@ void ObjectFileELF::CreateSections(SectionList &unified_section_list) {
   if (m_sections_up)
     return;
 
-  m_sections_up = llvm::make_unique<SectionList>();
+  m_sections_up = std::make_unique<SectionList>();
   VMAddressProvider regular_provider(GetType(), "PT_LOAD");
   VMAddressProvider tls_provider(GetType(), "PT_TLS");