Work around a problem in IBM compiler (on aix / i5os) that doesn't

use function prototypes from header in conjunction with K&R-style
function definitions.  The symptom is a type mismatch between
int and wchar_t.

cmd-line-utils/readline/util.c

@@ -81,8 +81,7 @@ rl_alphabetic (c)
 
 #if defined (HANDLE_MULTIBYTE)
 int
-_rl_walphabetic (wc)
-     wchar_t wc;
+_rl_walphabetic (wchar_t wc)
 {
   int c;