Kenshin/gnvm: command/command.go; 26 LoC

Found a possible issue in [Kenshin/gnvm](https://www.github.com/Kenshin/gnvm) at [command/command.go](https://github.com/Kenshin/gnvm/blob/e6fa033070bc66d21f1ab69641737920a8cf73a6/command/command.go#L115-L140)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

> reference to v was used in a composite literal at line 131

[Click here to see the code in its original context.](https://github.com/Kenshin/gnvm/blob/e6fa033070bc66d21f1ab69641737920a8cf73a6/command/command.go#L115-L140)

Click here to show the 26 line(s) of Go which triggered the analyzer.

```go
for _, v := range args {

v = util.EqualAbs("npm", v)
if v == "npm" {
nodehandle.UninstallNPM()
continue
}

v = util.EqualAbs("ALL", v)
if v == "ALL" {
P(WARING, "'%v' not supported mixed parameters, please usage '%v'. See '%v'.\n", "gnvm uninstall ALL", "gnvm uninstall ALL", "gnvm help uninstall")
continue
}

v = util.EqualAbs("latest", v)
if v == util.LATEST {
util.FormatLatVer(&v, config.GetConfig(config.LATEST_VERSION), true)
}

// check version format
if !util.VerifyNodeVer(v) {
P(ERROR, "%v not an %v Node.js version.\n", v, "valid")
} else {
nodehandle.Uninstall(v)
}
}

```

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commit ID: e6fa033070bc66d21f1ab69641737920a8cf73a6