virStoragePoolUpdateInactive: Fix variable name in comment

The function comment mistakenly refers to 'poolptr' when in fact
the variable is named 'objptr'.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/storage/storage_driver.c

@@ -113,7 +113,7 @@ storagePoolRefreshImpl(virStorageBackendPtr backend,
 
 /**
  * virStoragePoolUpdateInactive:
- * @poolptr: pointer to a variable holding the pool object pointer
+ * @objptr: pointer to a variable holding the pool object pointer
  *
  * This function is supposed to be called after a pool becomes inactive. The
  * function switches to the new config object for persistent pools. Inactive