use unix-like slash for paths (also on Win)

Author: facchinm

download.go

@@ -111,7 +111,7 @@ func spDownloadTool(name string, url string) {
 	}
 
 	// will be something like ${tempfolder}/avrdude/bin/avrdude
-	globalToolsMap["{runtime.tools."+name+".path}"] = tempToolsPath + "/" + name
+	globalToolsMap["{runtime.tools."+name+".path}"] = filepath.ToSlash(tempToolsPath + "/" + name)
 
 	log.Info("Map Updated")
 	mapD := map[string]string{"DownloadStatus": "Success", "Msg": "Map Updated"}

programmer.go

@@ -138,7 +138,7 @@ func spProgramLocal(portname string, boardname string, filePath string, commandl
 		return
 	}
 
-	commandline = strings.Replace(commandline, "{build.path}", filepath.Dir(filePath), 1)
+	commandline = strings.Replace(commandline, "{build.path}", filepath.ToSlash(filepath.Dir(filePath)), 1)
 	commandline = strings.Replace(commandline, "{build.project_name}", strings.TrimSuffix(filepath.Base(filePath), filepath.Ext(filepath.Base(filePath))), 1)
 	commandline = strings.Replace(commandline, "{serial.port}", portname, 1)
 	commandline = strings.Replace(commandline, "{serial.port.file}", filepath.Base(portname), 1)