avoid crash in remote interface if action is erroneously set to null

term/src/main/java/jackpal/androidterm/RemoteInterface.java

@@ -111,7 +111,8 @@ protected void handleIntent() {
         Intent myIntent = getIntent();
         String action = myIntent.getAction();
         Log.i(TermDebug.LOG_TAG, "RemoteInterface action: " + action);
-        if (action.equals(Intent.ACTION_SEND)
+        if (action != null
+                && action.equals(Intent.ACTION_SEND)
                 && myIntent.hasExtra(Intent.EXTRA_STREAM)) {
           /* "permission.RUN_SCRIPT" not required as this is merely opening a new window. */
             Object extraStream = myIntent.getExtras().get(Intent.EXTRA_STREAM);