Update case on PramaChange47 class name

Author: EosBandi

ExtLibs/Utilities/paramchanges47.cs

@@ -5,7 +5,7 @@
 
 namespace MissionPlanner.Utilities
 {
-    public class paramchanges47
+    public class ParamChanges47
     {
         // 4.7 parameter changes - keyed by new param name, value is "OLD → NEW: description"
         private static readonly Dictionary<string, string> _byNewParam = new Dictionary<string, string>

GCSViews/ConfigurationView/ConfigArducopter.cs

@@ -487,7 +487,7 @@ private void OnEnter_NumUpDown(object sender, EventArgs e)
             if (VersionDetection.GetVersion(MainV2.comPort.MAV.VersionString) >= new Version(4, 7)
                 && sender is MavlinkNumericUpDown mnud)
             {
-                var warning = paramchanges47.changedByNewParamWarning(mnud.ParamName);
+                var warning = ParamChanges47.changedByNewParamWarning(mnud.ParamName);
                 if (warning != null)
                 {
                     lblUnitWarning.Text = "Change in 4.7: " + warning;