ESP8266: Fix compilation error when default interface is enabled

[juhaylinen]

Description

Fixes below compilation error:

Compile [  1.3%]: ESP8266Interface.cpp
[Error] ESP8266Interface.cpp@582,33: cannot declare static function inside another function
[Error] ESP8266Interface.cpp@583,13: cannot convert 'ESP8266Interface (*)()' to 'WiFiInterface*' in return
Failed to build library

Pull request type

[X] Fix
[ ] Refactor
[ ] Target update
[ ] Functionality change
[ ] Breaking change

[0xc0170]

@SeppoTakalo this might be a candidate for 5.10 rc2 ?

[teetak01]

This looks like something that should be part of 5.10-RC1.

@JanneKiiskila

[JanneKiiskila]

Yep, needs to be fixed.
@SeppoTakalo

[0xc0170]

/morph build

[mbed-ci]

Build : SUCCESS

Build number : 2996
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/7967/

Triggering tests

/morph test
/morph export-build
/morph mbed2-build

[mbed-ci]

Test : FAILURE

Build number : 2759
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/7967/2759

[mbed-ci]

Exporter Build : FAILURE

Build number : 2607
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/7967/

[SeppoTakalo]

Error: C9555E: Failed to check out a license.
All suitable licenses are already in use.

[0xc0170]

/morph export-build

[mbed-ci]

Exporter Build : SUCCESS

Build number : 2611
Build artifacts/logs : http://mbed-os.s3-website-eu-west-1.amazonaws.com/?prefix=builds/exporter/7967/

[cmonr]

/morph test

[mbed-ci]

Test : SUCCESS

Build number : 2764
Test logs :http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/7967/2764