Ticket #1690: mc.ext entry for .djvu

Opening .djvu with djview

Signed-off-by: Slava Zanko <slavazanko@gmail.com>

misc/mc.ext.in

@@ -539,6 +539,9 @@ regex/\.([dD][vV][iI])$
 regex/\.([Tt][Ee][Xx])$
 	Open=%var{EDITOR:vi} %f
 
+# DjVu
+regex/\.(djvu|DJVU)$
+	Open=djview %f &
 
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