grep: pacify Sun C 5.15

This suppresses a false alarm '"grep.c", line 720: warning:
initializer will be sign-extended: -1'.
* src/grep.c (uword_max): New static constant.
(initialize_unibyte_mask): Use it.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/grep.c b/src/grep.c
index 1a52c898..de7616a0 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -684,6 +684,7 @@ clean_up_stdout (void)
 
 /* An unsigned type suitable for fast matching.  */
 typedef uintmax_t uword;
+static uword const uword_max = UINTMAX_MAX;
 
 struct localeinfo localeinfo;
 
@@ -717,7 +718,6 @@ initialize_unibyte_mask (void)
   /* Now MASK will detect any encoding-error byte, although it may
      cry wolf and it may not be optimal.  Build a uword-length mask by
      repeating MASK.  */
-  uword uword_max = -1;
   unibyte_mask = uword_max / UCHAR_MAX * mask;
 }