[BUG_FIXED] (Author: Neil Hodgson) Fix for bug #3103936. Backwards search with code page 936 does not match at line start.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@698 f5eea248-9336-0410-98b8-ebc06183d4e3

scintilla/src/Document.cxx

@@ -549,7 +549,7 @@ int Document::NextPosition(int pos, int moveDir) {
 				// See http://msdn.microsoft.com/en-us/library/cc194792%28v=MSDN.10%29.aspx
 				// http://msdn.microsoft.com/en-us/library/cc194790.aspx
 				if ((pos - 1) <= posStartLine) {
-					return posStartLine - 1;
+					return pos - 1;
 				} else if (IsDBCSLeadByte(cb.CharAt(pos - 1))) {
 					// Must actually be trail byte
 					return pos - 2;