autoconf: Quote AC_CACHE_CHECK arguments

diff --git a/revision.h b/revision.h
index 0c3b8d99059fb272b913a85c2873f5fef64acc00..d289781051c523c7e1596c6e215625616d51f088 100644 (file)
--- a/revision.h
+++ b/revision.h
@@ -55,7 +55,8 @@ struct rev_info {
 
        /* Format info */
        unsigned int    shown_one:1,
-                       abbrev_commit:1;
+                       abbrev_commit:1,
+                       relative_date:1;
        unsigned int    abbrev;
        enum cmit_fmt   commit_format;
        struct log_info *loginfo;