The joys of ncurses "ABI 6".

--- origsrc/nano-2.2.4/src/nano.h	2009-12-01 21:36:42.000000000 -0600
+++ src/nano-2.2.4/src/nano.h	2010-05-28 13:52:18.936447000 -0500
@@ -86,6 +86,7 @@
 #define KEY_IC SL_KEY_IC
 /* Ncurses support. */
 #elif defined(HAVE_NCURSES_H)
+#define NCURSES_INTERNALS
 #include <ncurses.h>
 #else
 /* Curses support. */