Don't check for ssize_t twice, and don't use autoconf <= 2.1x syntax.

configure.ac

@@ -807,7 +807,12 @@ fi # end "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"
 
 AC_HEADER_TIME
 
-AC_CHECK_TYPE(ssize_t, int)
+dnl LP64 adn LLP64 architectures had better define ssize_t by themselves...
+AH_TEMPLATE(ssize_t, [Define to `int' if <stddef.h> does not define.])
+AC_CHECK_TYPE(ssize_t,, [
+  AC_DEFINE(ssize_t, int)
+])
+
 AC_SEARCH_LIBS(poll, [poll], [AC_DEFINE(HAVE_POLL, 1, [Define to 1 if the OS is usabl... err, has poll().])])
 
 dnl Check for dirent

include/vlc_common.h

@@ -126,10 +126,6 @@ typedef int                 ptrdiff_t;
 #   endif
 #endif
 
-#if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
-typedef int                 ssize_t;
-#endif
-
 /* Counter for statistics and profiling */
 typedef unsigned long       count_t;