Fix for the last line if empty

Author: wcoder

dist/highlightjs-line-numbers.min.js

@@ -82,6 +82,11 @@
 
         var lines = getLines(inputHtml);
 
+        // if last line contains only carriage return remove it
+        if (lines[lines.length-1].trim() === '') {
+            lines.pop();
+        }
+
         if (lines.length > firstLineIndex) {
             var html = '';