Critical fix!!! ( Romanian will not work without)

I just realized the coworker that made the Romanian translation translated also two of the keys. The locale will not work without this fix, crashing the component. Please accept the change!

Author: kmoutzou

src/locales/ro-RO.json

@@ -4,7 +4,7 @@
   "previousMonth": "Luna anterioară",
   "nextYear": "Anul următor",
   "previousYear": "Anul anterior",
-  "zilele săptămânii": [
+  "weekdays": [
     "Duminică",
     "Luni",
     "Marți",
@@ -13,7 +13,7 @@
     "Vineri",
     "Sâmbătă"
   ],
-  "luni": [
+  "months": [
     "Ianuarie",
     "Februarie",
     "Martie",