Fix FTBFS with gcc 15. This resolves issue #44

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 0bf733ec17)

src/libs/sqlite2/shell.c

@@ -25,6 +25,9 @@
 # include <pwd.h>
 # include <unistd.h>
 # include <sys/types.h>
+#else
+/* Make sure isatty() has a prototype */
+extern int isatty(int);
 #endif
 
 #if defined(HAVE_READLINE) && HAVE_READLINE==1
@@ -38,10 +41,6 @@
 # define stifle_history(X)
 #endif
 
-/* Make sure isatty() has a prototype.
-*/
-extern int isatty();
-
 /*
 ** The following is the open SQLite database.  We make a pointer
 ** to this database a static variable so that it can be accessed