Add forgotten marathi to LINGUAS

po/LINGUAS

@@ -63,6 +63,9 @@ ko
 # Kurdish - Erdal Ronahi <erdal.ronahi@gmail.com>
 ku
 
+# Marathi - Priti Patil <prithisd@gmail.com>
+mr
+
 # Norwegian (Bokmål) - Bjorn Steensrud <bjornst@powertech.no>
 nb