[PATCH v2 4/8] grep: consistently use "p->fixed" in compile_regexp()

[Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>]

At the start of this function we do:

    p->fixed = opt->fixed;

It's less confusing to use that variable consistently that switch back
& forth between the two.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
---
 grep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grep.c b/grep.c
index 9c2b259771..b94e998680 100644
--- a/grep.c
+++ b/grep.c
@@ -616,7 +616,7 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
 		die(_("given pattern contains NULL byte (via -f <file>). This is only supported with -P under PCRE v2"));
 
 	pat_is_fixed = is_fixed(p->pattern, p->patternlen);
-	if (opt->fixed || pat_is_fixed) {
+	if (p->fixed || pat_is_fixed) {
 #ifdef USE_LIBPCRE2
 		opt->pcre2 = 1;
 		if (pat_is_fixed) {
-- 
2.22.0.455.g172b71a6c5