build: exclude some pieces that are not needed with --disable-nanorc

src/nano.c

@@ -1269,10 +1269,12 @@ void unbound_key(int code)
 		/* TRANSLATORS: This refers to a sequence of escape codes
 		 * (from the keyboard) that nano does not recognize. */
 		statusline(AHEM, _("Unknown sequence"));
+#ifdef ENABLE_NANORC
 	else if (code == MISSING_BRACE)
 		statusline(AHEM, _("Missing }"));
 	else if (code == NO_SUCH_FUNCTION)
 		statusline(AHEM, _("No such function: %s"), commandname);
+#endif
 #ifndef NANO_TINY
 	else if (code > KEY_F0 && code < KEY_F0 + 25)
 		/* TRANSLATORS: This refers to an unbound function key. */

src/winio.c

@@ -64,8 +64,10 @@ static bool has_more = FALSE;
 		/* Whether the current line has more text after the displayed part. */
 static bool is_shorter = TRUE;
 		/* Whether a row's text is narrower than the screen's width. */
+#ifdef ENABLE_NANORC
 static const char *plants_pointer = NULL;
 		/* Points into the expansion string for the current implantation. */
+#endif
 #ifndef NANO_TINY
 static size_t sequel_column = 0;
 		/* The starting column of the next chunk when softwrapping. */
@@ -395,10 +397,12 @@ int get_input(WINDOW *frame)
 
 	if (waiting_codes > 0) {
 		waiting_codes--;
+#ifdef ENABLE_NANORC
 		if (*nextcodes == MORE_PLANTS) {
 			nextcodes++;
 			return get_code_from_plantation();
 		} else
+#endif
 			return *(nextcodes++);
 	} else
 		return ERR;