[Coverity CID :190958]Control flow issues in /samples/boards/96b_argonkey/microphone/src/main.c

[mandarcthorat1]

Static code scan issues seen in File: /samples/boards/96b_argonkey/microphone/src/main.c
Category: Control flow issues
Function: main
Component: Samples
CID: 190958
Please fix or provide comments to square it off in coverity in the link: https://scan9.coverity.com/reports.htm#v32951/p12996

[galak]

Resolved by merge of #13900