Makefile: fix default regex settings on Darwin

diff --git a/grep.h b/grep.h
index 8fc854f400802c3329fc3c028942de55b820ac90..e4a1df56a423548af4cba728811eb21b62518e15 100644 (file)
--- a/grep.h
+++ b/grep.h
@@ -28,7 +28,8 @@ enum grep_context {
 };
 
 enum grep_header_field {
-       GREP_HEADER_AUTHOR = 0,
+       GREP_HEADER_FIELD_MIN = 0,
+       GREP_HEADER_AUTHOR = GREP_HEADER_FIELD_MIN,
        GREP_HEADER_COMMITTER,
        GREP_HEADER_REFLOG,