File speech_tools-remove-externs.patch of Package festival

diff -Naru speech_tools_orig/siod/editline.c speech_tools/siod/editline.c
--- speech_tools_orig/siod/editline.c	2025-07-01 08:56:19.585036094 +0900
+++ speech_tools/siod/editline.c	2025-07-01 09:04:43.746936756 +0900
@@ -55,6 +55,7 @@
 #include "editline.h"
 #include "EST_unix.h"
 #include <ctype.h>
+#include <ncurses/termcap.h>
 
 /*
 **  Manifest constants.
@@ -222,12 +223,6 @@
 **  Declarations.
 */
 STATIC ECHAR	*editinput();
-#if	defined(USE_TERMCAP)
-extern char	*getenv();
-extern char	*tgetstr();
-extern int	tgetent();
-extern int	tgetnum();
-#endif	/* defined(USE_TERMCAP) */
 
 /*
 **  TTY input/output functions.