flasharray: align api_version close-error log text with actual path

The Copilot review pointed out the debug message said /api/api_version but the path passed to the helper is /api_version (the helper itself prepends url + apiVersion). Update the log text to match what the code actually invokes.

Signed-off-by: Eugenio Grosso <eugenio.grosso@gmail.com>

Author: Eugenio Grosso

plugins/storage/volume/flasharray/src/main/java/org/apache/cloudstack/storage/datastore/adapter/flasharray/FlashArrayAdapter.java

@@ -706,7 +706,7 @@ private void login() {
                         try {
                             vResp.close();
                         } catch (IOException e) {
-                            logger.debug("Error closing /api/api_version response from FlashArray [" + url + "]", e);
+                            logger.debug("Error closing /api_version response from FlashArray [" + url + "]", e);
                         }
                     }
                 }