Fixed SD2-733 - Index out of range exception when typing in an element end tag character inside the xml comments of a VB.NET class

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1235 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/VBNetBinding/Project/Src/FormattingStrategy/VBNetFormattingStrategy.cs

@@ -406,7 +406,7 @@ namespace VBNetBinding.FormattingStrategy
 						int column = textArea.Caret.Offset - curLine.Offset;
 						int index = Math.Min(column - 1, curLineText.Length - 1);
 						
-						while (index >= 0 && curLineText[index] != '<') {
+						while (index > 0 && curLineText[index] != '<') {
 							--index;
 							if(curLineText[index] == '/')
 								return 0; // the tag was an end tag or already