Add NativeCall advent calender entry

Carsten Hartenfels · Carsten Hartenfels · commit 53ba20918643 · 2015-11-30T19:07:15.000+01:00
Some NativeCall bits that haven't been treated in previous advent posts, such as callbacks, Bufs and maybe LibraryMake if Panda unbreaks in time.
diff --git a/misc/perl6advent-2015/schedule b/misc/perl6advent-2015/schedule
@@ -19,7 +19,7 @@ Please add your topic and name after each day that you plan to take
 18 OO introspection - vendethiel
 19 topic tba - masak
 20 Jmp to it - nige
-21 
+21 NativeCall bits and pieces - hartenfels
 22 cpan - jdv
 23 macros and secret agents - masak
 24

Original file line number	Diff line number	Diff line change
`@@ -19,7 +19,7 @@ Please add your topic and name after each day that you plan to take`
`19`	`19`	`18 OO introspection - vendethiel`
`20`	`20`	`19 topic tba - masak`
`21`	`21`	`20 Jmp to it - nige`
`22`		`-21`
	`22`	`+21 NativeCall bits and pieces - hartenfels`
`23`	`23`	`22 cpan - jdv`
`24`	`24`	`23 macros and secret agents - masak`
`25`	`25`	`24`