skip further processing on TLS error

While reading through the code this seemed logical to do.
I haven't seen this occuring in the wild!

Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>

_clang-format

@@ -8,6 +8,7 @@ BinPackParameters: 'false'
 BreakBeforeBraces: Linux
 ColumnLimit: '80'
 DerivePointerAlignment: 'false'
+IndentGotoLabels: false
 IndentWidth: '4'
 PointerAlignment: Right
 SortIncludes: 'false'

src/event.c

@@ -110,6 +110,7 @@ void xmpp_run_once(xmpp_ctx_t *ctx, unsigned long timeout)
                 xmpp_debug(ctx, "xmpp", "Send error occurred, disconnecting.");
                 conn->error = ECONNABORTED;
                 conn_disconnect(conn);
+                goto NEXT_ITEM;
             }
         }
 
@@ -154,7 +155,7 @@ void xmpp_run_once(xmpp_ctx_t *ctx, unsigned long timeout)
             conn->error = ECONNABORTED;
             conn_disconnect(conn);
         }
-
+NEXT_ITEM:
         connitem = connitem->next;
     }