Update call to GetCurrentProcess

Author: alexvaut

prometheus/process_collector_windows.go

@@ -75,14 +75,10 @@ func getProcessHandleCount(handle windows.Handle) (uint32, error) {
 }
 
 func (c *processCollector) processCollect(ch chan<- Metric) {
-h, err := windows.GetCurrentProcess()
-if err != nil {
-c.reportError(ch, nil, err)
-return
-}
-
+h := windows.GetCurrentProcess()
+
 var startTime, exitTime, kernelTime, userTime windows.Filetime
-err = windows.GetProcessTimes(h, &startTime, &exitTime, &kernelTime, &userTime)
+err := windows.GetProcessTimes(h, &startTime, &exitTime, &kernelTime, &userTime)
 if err != nil {
 c.reportError(ch, nil, err)
 return