Minor refact

src/Forms/CheckForUpdates.cs

@@ -145,4 +145,4 @@ namespace Nikse.SubtitleEdit.Forms
         }
 
     }
-}
+}

src/Forms/Interjections.cs

@@ -141,4 +141,4 @@ namespace Nikse.SubtitleEdit.Forms
         }
 
     }
-}
+}

src/Logic/NoBreakAfterItem.cs

@@ -5,8 +5,8 @@ namespace Nikse.SubtitleEdit.Logic
 {
     public class NoBreakAfterItem : IComparable
     {
-        public Regex Regex;
-        public string Text;
+        public readonly Regex Regex;
+        public readonly string Text;
 
         public NoBreakAfterItem(Regex regex, string text)
         {
@@ -24,7 +24,7 @@ namespace Nikse.SubtitleEdit.Logic
             if (Regex != null)
                 return Regex.IsMatch(line);
 
-            if (!string.IsNullOrEmpty(Text) && line.EndsWith(Text))
+            if (!string.IsNullOrEmpty(Text) && line.EndsWith(Text, StringComparison.Ordinal))
                 return true;
 
             return false;

src/Logic/Paragraph.cs

@@ -149,4 +149,4 @@ namespace Nikse.SubtitleEdit.Logic
             }
         }
     }
-}
+}

src/Logic/SubtitleFormats/SubRip.cs

@@ -274,4 +274,4 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
             }
         }
     }
-}
+}