Fixing some unused vars in inspect

tools/inspect/end_check.cpp

@@ -10,6 +10,7 @@
 #include "end_check.hpp"
 #include "function_hyper.hpp"
 #include <string>
+#include <iterator>
 #include <boost/tokenizer.hpp>
 #include <boost/next_prior.hpp>
 
@@ -34,12 +35,9 @@ namespace boost
       const string & contents )     // contents of file to be inspected
     {
       if (contents.find( "hpxinspect:" "noend" ) != string::npos) return;
-      int linenumb = 0;
       char_separator<char> sep("\n", "", boost::keep_empty_tokens);
       tokenizer<char_separator<char>> tokens(contents, sep);
-      for (const auto& t : tokens) {
-          linenumb++;
-      }
+      const auto linenumb = std::distance(tokens.begin(), tokens.end());
       std::string lineloc = std::to_string(linenumb);
       // this file deliberately contains errors
       const char test_file_name[] = "wrong_line_ends_test.cpp";

tools/inspect/length_check.cpp

@@ -97,7 +97,6 @@ namespace boost
             while (p < someline.size())
             {
                 currline++;
-                std::size_t rend = someline[p].find_last_of("\r");
                 bool check_not = false;
                 boost::regex error_note, http_note;
 

tools/inspect/tab_check.cpp

@@ -37,7 +37,7 @@ namespace boost
        if (contents.find("hpxinspect:" "notab") != string::npos) return;
        string total, linenum;
        long errors = 0, currline = 0;
-       size_t p = 0, extend = 0;
+       size_t p = 0;
        std::vector<std::string> someline, lineorder;
 
        char_separator<char> sep("\n", "", boost::keep_empty_tokens);