local can be final: suggest to add final to explicitly final params (IDEA-169342)

java/java-tests/testData/inspection/localCanBeFinal/CatchParameter/src/CatchParameter.java

@@ -3,8 +3,8 @@ import java.io.*;
 class CatchParameter {
 
   void m() {
-    try (InputStream in  = new FileInputStream("filename")) { // don't warn about 'in' because it is implicitly final
-    } catch (FileNotFoundException | RuntimeException e) { // don't warn about 'e' because it is implicitly final
+    try (final InputStream in  = new FileInputStream("filename")) {
+    } catch (final FileNotFoundException | RuntimeException e) {
     } catch (IOException e) {
       throw new RuntimeException(e);
     }