fix(CloudWatchLogsLogGroup): null pointer exception when log group di…

[optplx]

…d never ingest anything

I did previously assume that if we had a logstream, we had necessarily events in it, which is actually not always the case. This happened to me this morning: we had a loggroup with a logstream, but no events.

ERRO[0020] Listing CloudWatchLogsLogGroup failed:
    runtime error: invalid memory address or nil pointer dereference

    goroutine 44 [running]:
    runtime/debug.Stack()
        /usr/local/go/src/runtime/debug/stack.go:24 +0x65
    github.com/rebuy-de/aws-nuke/v2/cmd.(*scanner).list.func1()
        /src/cmd/scan.go:49 +0x78
    panic({0x49be0c0, 0x8edc7b0})
        /usr/local/go/src/runtime/panic.go:884 +0x212
    github.com/rebuy-de/aws-nuke/v2/resources.ListCloudWatchLogsLogGroups(0xc000424d80?)
        /src/resources/cloudwatchlogs-loggroups.go:60 +0x3e3
    github.com/rebuy-de/aws-nuke/v2/cmd.(*scanner).list(0xc0004b9cf0, 0xc000424d80, {0x57418cf, 0x16})
        /src/cmd/scan.go:60 +0x122
    created by github.com/rebuy-de/aws-nuke/v2/cmd.(*scanner).run
        /src/cmd/scan.go:37 +0x145 

[DanielCastronovo]

Hello, any news ?