Recognizing also files with the extensions .make and .mk as Makefiles.

This addresses Debian bug #804845.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5435 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2015-11-24  Benno Schulenberg  <bensberg@justemail.net>
+	* doc/syntax/makefile.nanorc: Also recognize the extensions .make and
+	.mk as Makefiles.  Suggested by Emmanuel Bourg in Debian bug #804845.
+
 2015-11-23  Benno Schulenberg  <bensberg@justemail.net>
 	* src/nano.c (main), src/winio.c (parse_kbinput): Make Ctrl+Left and
 	Ctrl+Right work on more terminals by asking ncurses for the keycodes.

doc/syntax/makefile.nanorc

 ## Here is an example for Makefiles.
 
-syntax "makefile" "Makefile[^/]*$"
+syntax "makefile" "Makefile[^/]*$" "\.(make|mk)$"
 
 color red "[:=]"
 color magenta "\<(if|ifeq|else|endif)\>"