[PATCH v4 1/7] grep.h: remove unused "regex_t regexp" from grep_opt

This "regex_t" in grep_opt has not been used since
f9b9faf6f8a (builtin-grep: allow more than one patterns., 2006-05-02),
we still use a "regex_t" for compiling regexes, but that's in the
"grep_pat" struct".

Signed-off-by: Ævar Arnfjörð Bjarmason <redacted>
---
 grep.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/grep.h b/grep.h
index 3e8815c347b..95cccb670f9 100644
--- a/grep.h
+++ b/grep.h

@@ -136,7 +136,6 @@ struct grep_opt {
 
 	const char *prefix;
 	int prefix_length;
-	regex_t regexp;
 	int linenum;
 	int columnnum;
 	int invert;

-- 
2.34.1.875.gb925cffed1e