Fixed wrong syntax in requires

Michal-Szczepaniak · web-flow · commit e6991d5d3bc5 · 2019-05-31T13:19:09.000+02:00
diff --git a/telebot.nimble b/telebot.nimble
@@ -4,4 +4,4 @@ description   = "Async Telegram Bot API Client"
 license       = "MIT"
 skipDirs      = @["examples"]
 
-requires        "nim >= 0.19.4, sam >= 0.1.8"
+requires        "nim >= 0.19.4", "sam >= 0.1.8"
