fix crash on Windows while launching programmer

Author: facchinm

programmer.go

@@ -210,12 +210,13 @@ func spHandlerProgram(flasher string, cmdString []string) {
 
 	extension := ""
 	if runtime.GOOS == "windows" {
-		tellCommandNotToSpawnShell(oscmd)
 		extension = ".exe"
 	}
 
 	oscmd = exec.Command(flasher+extension, cmdString...)
 
+	tellCommandNotToSpawnShell(oscmd)
+
 	stdout, err := oscmd.StdoutPipe()
 	if err != nil {
 		return