update

gpm.go

@@ -114,14 +114,16 @@ func getAppPath() bool {
 	// Look up executable in PATH variable.
 	appPath, _ = exec.LookPath(path.Base(os.Args[0]))
 	// Check if run under $GOPATH/bin
+
 	if len(appPath) == 0 {
 		fmt.Printf("ERROR: getAppPath -> Unable to indicate current execute path.\n")
 		return false
 	}
 
+	appPath += "/"
 	if runtime.GOOS == "windows" {
 		// Replace all '\' to '/'.
-		appPath = strings.Replace(filepath.Dir(appPath), "\\", "/", -1) + "/"
+		appPath = strings.Replace(filepath.Dir(appPath), "\\", "/", -1)
 	}
 
 	doc.SetAppConfig(appPath, config.AutoBackup)