unsupported target operating system "linux/amd64"

[mrpalide]

Describe the bug:

I get this error when trying to build for linux with arch amd64

i] Target: linux/amd64
[i] Cleaning target directories...
[✓] "dist" dir cleaned: /home/mohammadreza/Projects/me_fynetest/fyne-cross/dist/linux-amd64
[✓] "temp" dir cleaned: /home/mohammadreza/Projects/me_fynetest/fyne-cross/tmp/linux-amd64
[✓] "bin" dir cleaned: /home/mohammadreza/Projects/me_fynetest/fyne-cross/bin/linux-amd64
[i] Checking for go.mod: /home/mohammadreza/Projects/me_fynetest/go.mod
[✓] go.mod found
[i] Building binary...
[✓] Binary: /home/mohammadreza/Projects/me_fynetest/fyne-cross/bin/linux-amd64/me_fynetest
[i] Packaging app...
[!] Default icon not found at "/home/mohammadreza/Projects/me_fynetest/Icon.png"
[✓] Created a placeholder icon using Fyne logo for testing purpose
unsupported target operating system "linux/amd64"
[✗] could not package the Fyne app: could not package the Fyne app: exit status 1

The binary build but I get this error but compressed .zip file not available on fyne-cross/dist folder and get error.

Device and debug info (please complete the following information):

Device info

• OS: Kubuntu
• Version: 20.04
• Go version: 1.16.8
• fyne-cross version: 1.1.1
• Fyne version: 2.1

[lucor]

Thanks for reporting @mrpalide.
Fix added in #75