(set_file_variables): Add parens in length computation in .SUFFIXES dep

loop to quiet compiler warning.  From Jim Meyering.

diff --git a/commands.c b/commands.c
index 396730271981552bd0ae5d03e5bb0b2139d6ed9e..266bdea88169eb2e7f8ba839608e6d097b0eee6b 100644 (file)
--- a/commands.c
+++ b/commands.c
@@ -87,7 +87,7 @@ set_file_variables (file)
       for (d = enter_file (".SUFFIXES")->deps; d != 0; d = d->next)
        {
          unsigned int slen = strlen (dep_name (d));
-         if (len > slen && !strncmp (dep_name (d), name + len - slen, slen))
+         if (len > slen && !strncmp (dep_name (d), name + (len - slen), slen))
            {
              file->stem = savestring (name, len - slen);
              break;