Apply suggestions from linter review

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: jhiemstrawisc

src/scitokens_internal.cpp

@@ -1103,7 +1103,8 @@ std::string configurer::Configuration::get_cache_home() { return *m_cache_home;
 //     return stat(dir_path.c_str(), &info) == 0 && (info.st_mode & S_IFDIR);
 // }
 
-std::pair<bool, std::string> configurer::Configuration::mkdir_and_parents_if_needed(
+std::pair<bool, std::string>
+configurer::Configuration::mkdir_and_parents_if_needed(
     const std::string dir_path) {
     // SciTokens-cpp already makes assumptions about using Linux file paths,
     // so making that assumption here as well.
@@ -1119,7 +1120,8 @@ std::pair<bool, std::string> configurer::Configuration::mkdir_and_parents_if_nee
         currentLevel += "/" + component;
         result = mkdir(currentLevel.c_str(), mode);
         if ((result < 0) && errno != EEXIST) {
-            std::string err_prefix{"There was an error while creating/checking the directory: mkdir error: "};
+            std::string err_prefix{"There was an error while creating/checking "
+                                   "the directory: mkdir error: "};
             return std::make_pair(false, err_prefix + strerror(errno));
         }
     }

src/scitokens_internal.h

@@ -49,8 +49,9 @@ class Configuration {
     static std::atomic_int m_next_update_delta;
     static std::atomic_int m_expiry_delta;
     static std::shared_ptr<std::string> m_cache_home;
-    //static bool check_dir(const std::string dir_path);
-    static std::pair<bool, std::string> mkdir_and_parents_if_needed(const std::string dir_path);
+    // static bool check_dir(const std::string dir_path);
+    static std::pair<bool, std::string>
+    mkdir_and_parents_if_needed(const std::string dir_path);
     static std::vector<std::string> path_split(const std::string dir_path);
 };
 } // namespace configurer