<sys/types.h> is required for <dirent.h>. Improve Sun alloca.

readline/ChangeLog

@@ -1,3 +1,8 @@
+Fri Nov 22 09:02:32 1991  John Gilmore  (gnu at cygnus.com)
+
+	* sysdep-norm.h, sysdep-aix.h:  Add <sys/types.h>, which POSIX
+	requires to make <dirent.h> work.  Improve Sun alloca decl.
+
 Thu Nov 21 18:48:08 1991  John Gilmore  (gnu at cygnus.com)
 
 	* Makefile.in:  Clean up ../glob/tilde.c -> tilde.o path.

readline/sysdep-aix.h

@@ -1,5 +1,6 @@
 /* System-dependent stuff for AIX 3.1 on RS/6000 */
 
 #pragma alloca
+#include <sys/types.h>
 #include <dirent.h>
 typedef struct dirent dirent;

readline/sysdep-newsos.h

@@ -1,4 +1,4 @@
-/* System-dependent stuff, for ``normal'' systems */
+/* System-dependent stuff, for Sony NEwS systems */
 
 #ifdef __GNUC__
 #define alloca __builtin_alloca

readline/sysdep-norm.h

@@ -5,10 +5,11 @@
 #else
 #if defined (sparc) && defined (sun)
 #include <alloca.h>
-#else
+#endif
 extern char *alloca ();
 #endif
-#endif
+
+#include <sys/types.h>			/* Needed by dirent.h */
 
 #if defined (USG) && defined (TIOCGWINSZ)
 #include <sys/stream.h>

readline/sysdep-oldbsd.h

@@ -1,4 +1,4 @@
-/* System-dependent stuff, for ``normal'' systems */
+/* System-dependent stuff, for Sony NEwS systems */
 
 #ifdef __GNUC__
 #define alloca __builtin_alloca