Use Rachana instead of Meera for Malayalam

Meera is a sans-serif font for Malayalam. that should be substituted for serif.
diff --git a/conf.d/65-nonlatin.conf b/conf.d/65-nonlatin.conf
index 54fb974..1b9de31 100644
--- a/conf.d/65-nonlatin.conf
+++ b/conf.d/65-nonlatin.conf
@@ -63,7 +63,7 @@
 			<family>Lohit Sindhi</family>
  			<family>Lohit Punjabi</family>
  			<family>Lohit Tamil</family>
-			<family>Meera</family>
+			<family>Rachana</family>
 			<family>Lohit Malayalam</family>
  			<family>Lohit Kannada</family>
  			<family>Lohit Telugu</family>