Fix windows build after using WaitGroup

Signed-off-by: Mario Trangoni <[email protected]>

.gitignore

@@ -9,3 +9,4 @@
 
 # Binaries
 flexlm_exporter
+flexlm_exporter.exe

collector/lmstat_feature_exp_windows.go

@@ -20,12 +20,18 @@ import (
 	"sort"
 	"strconv"
 	"strings"
+	"sync"
 	"time"
 
+	"github.com/mjtrangoni/flexlm_exporter/config"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/common/log"
 )
 
+const (
+	lenghtOne = 1
+)
+
 func parseLmstatLicenseFeatureExpDate(outStr [][]string) map[int]*featureExp {
 	featuresExp := make(map[int]*featureExp)
 	var expires float64

collector/lmstat_windows.go

@@ -21,7 +21,9 @@ import (
 	"os/exec"
 	"strconv"
 	"strings"
+	"sync"
 
+	"github.com/mjtrangoni/flexlm_exporter/config"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/common/log"
 )