Fix Clang-tidy readability-redundant-string-cstr warnings

Reviewers: zturner, labath

Subscribers: tberghammer, danalbert, lldb-commits
    
Differential Revision: https://reviews.llvm.org/D26233

llvm-svn: 285855
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
index b20c4f9..406fa50 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -972,7 +972,7 @@
   FileSpecList file_spec_list;
 
   if (!m_gnu_debuglink_file.empty()) {
-    FileSpec file_spec(m_gnu_debuglink_file.c_str(), false);
+    FileSpec file_spec(m_gnu_debuglink_file, false);
     file_spec_list.Append(file_spec);
   }
   return file_spec_list;