Clang-tidy-14 fixes

Do as the robot commands.  All changes made automatically by tidy.

Tested: (Thanks Zhikui)
Downloaded and run on system.  Sensors scan normally.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I752f37c9e7a95aa3be8e6980ba6e4b2b48b3395a
diff --git a/src/PSUSensorMain.cpp b/src/PSUSensorMain.cpp
index 16c601d..c710b4d 100644
--- a/src/PSUSensorMain.cpp
+++ b/src/PSUSensorMain.cpp
@@ -553,7 +553,7 @@
             std::string labelHead;
             std::string sensorPathStr = sensorPath.string();
             std::string sensorNameStr = sensorPath.filename();
-            std::string sensorNameSubStr{""};
+            std::string sensorNameSubStr;
             if (std::regex_search(sensorNameStr, matches, sensorNameRegEx))
             {
                 // hwmon *_input filename without number:
@@ -575,7 +575,7 @@
             {
 
                 std::string sensorPathStrMax = sensorPathStr.substr(pos);
-                if (sensorPathStrMax.compare("_max") == 0)
+                if (sensorPathStrMax == "_max")
                 {
                     labelPath =
                         boost::replace_all_copy(sensorPathStr, "max", "label");
@@ -941,8 +941,7 @@
     {
         std::cerr << "Created total of " << numCreated << " sensors\n";
     }
-    return;
-}
+    }
 
 void createSensors(
     boost::asio::io_service& io, sdbusplus::asio::object_server& objectServer,