Move to next header when encountering DESTO instead of aborting the loop in rpl_ext_header_remove()

os/net/rpl-classic/rpl-ext-header.c

@@ -633,6 +633,7 @@ rpl_ext_header_remove(void)
         /* Move to next header */
         uip_next_hdr = &UIP_EXT_BUF->next;
         uip_ext_len += (UIP_EXT_BUF->len << 3) + 8;
+        break;
     default:
       return;
     }

os/net/rpl-lite/rpl-ext-header.c

@@ -572,6 +572,7 @@ rpl_ext_header_remove(void)
         /* Move to next header */
         uip_next_hdr = &UIP_EXT_BUF->next;
         uip_ext_len += (UIP_EXT_BUF->len << 3) + 8;
+        break;
     default:
       return;
     }