added JavaDoc to resetFileTypeAnalzyers()

Former-commit-id: 7feb30ff1750684d60d69a01c76733df0d32b62c

dependency-check-maven/src/main/java/org/owasp/dependencycheck/maven/Engine.java

@@ -195,6 +195,11 @@ public class Engine extends org.owasp.dependencycheck.Engine {
         return p;
     }
 
+    /**
+     * Resets the file type analyzers so that they can be re-used to scan additional directories. Without the reset the
+     * analyzer might be disabled because the first scan/analyze did not identify any files that could be processed by
+     * the analyzer.
+     */
     public void resetFileTypeAnalyzers() {
         for (FileTypeAnalyzer a : getFileTypeAnalyzers()) {
             a.reset();