Change a <= to <. I don't remember what half-baked implementation quirk

caused me to change it to <= but it's no longer needed.

net.sourceforge.vrapper.core/src/net/sourceforge/vrapper/vim/commands/SedSubstitutionOperation.java

@@ -68,7 +68,7 @@ public void execute(EditorAdaptor editorAdaptor, TextRange region, ContentType c
 
 			//perform search individually on each line in the range
 			editorAdaptor.getHistory().beginCompoundChange();
-			for(int i=startLine; i <= endLine; i++) {
+			for(int i=startLine; i < endLine; i++) {
 				line = editorAdaptor.getModelContent().getLineInformation(i);
 				success = searchAndReplace.replace(line, find, replace, flags) || success;
 			}