Minor improvements

* src/gdbmtool.c (_gdbm_print_bucket_cache): Use %zu to print
size_t.
* src/gdbmtool.h (variable_unset): New proto.
(yyerror): Argument is char const *.
 src/gram.y: Likewise.
* src/lex.l: Add option noinput
* src/parseopt.c (print_option_descr): Use fwrite instead of
printf.
* src/var.c: Fix initializers to suppress warnings.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gram.y b/src/gram.y
index f654edb..908628a 100644
--- a/src/gram.y
+++ b/src/gram.y
@@ -361,7 +361,7 @@ terror (const char *fmt, ...)
 }
 
 int
-yyerror (char *s)
+yyerror (char const *s)
 {
   terror ("%s", s);
   return 0;