diff.c: convert -U|--unified

diff --git a/grep.h b/grep.h
index 1a57d12b906fb07a9041f52b109dcdb4c7478bfa..fb0489372169d7f1563a09e050c8715542ce5963 100644 (file)
--- a/grep.h
+++ b/grep.h
@@ -229,7 +229,6 @@ int grep_source(struct grep_opt *opt, struct grep_source *gs);
 extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
 extern int grep_threads_ok(const struct grep_opt *opt);
 
-#ifndef NO_PTHREADS
 /*
  * Mutex used around access to the attributes machinery if
  * opt->use_threads.  Must be initialized/destroyed by callers!
@@ -250,9 +249,4 @@ static inline void grep_read_unlock(void)
                pthread_mutex_unlock(&grep_read_mutex);
 }
 
-#else
-#define grep_read_lock()
-#define grep_read_unlock()
-#endif
-
 #endif