#166 - Prevent NPE when accessing out of bound line (#13)

Author: darkspirit510

plugin/src/main/java/org/owasp/benchmarkutils/score/BenchmarkScore.java

@@ -1216,7 +1216,7 @@ private static String getLine(File actual, int lineNum) {
             for (int i = 0; i <= lineNum; i++) {
                 line = br.readLine();
             }
-            while (line.length() == 0) { // Skip empty lines
+            while (line != null && line.length() == 0) { // Skip empty lines
                 line = br.readLine();
             }
             return line;