Handle dial error correctly

[diegomrsantos]

No description provided.

[codecov]

Codecov Report

Merging #830 (bf23f06) into unstable (63e1872) will decrease coverage by 0.05%.
The diff coverage is 100.00%.

Additional details and impacted files

@@             Coverage Diff              @@
##           unstable     #830      +/-   ##
============================================
- Coverage     83.63%   83.57%   -0.06%     
============================================
  Files            82       82              
  Lines         14906    14907       +1     
============================================
- Hits          12466    12459       -7     
- Misses         2440     2448       +8     

Impacted Files	Coverage Δ
libp2p/protocols/connectivity/autonat.nim	84.61% <100.00%> (+0.59%)	⬆️
libp2p/protocols/secure/secure.nim	71.15% <0.00%> (-3.85%)	⬇️
libp2p/muxers/mplex/lpchannel.nim	84.02% <0.00%> (-2.96%)	⬇️
libp2p/protocols/pubsub/pubsubpeer.nim	85.60% <0.00%> (-2.28%)	⬇️
libp2p/muxers/mplex/mplex.nim	88.23% <0.00%> (-0.85%)	⬇️
libp2p/transports/wstransport.nim	85.26% <0.00%> (ø)
libp2p/protocols/pubsub/pubsub.nim	83.16% <0.00%> (+1.37%)	⬆️

[alrevuelta]

lgtm! thanks!