grep.c: remove implicit dependency on the_index

diff --git a/revision.h b/revision.h
index 51bb57d889b316aaf90c416446ea995d5e2e9e25..007278cc119fded9f97832d87ffe5d6b95a5ce41 100644 (file)
--- a/revision.h
+++ b/revision.h
@@ -1,6 +1,7 @@
 #ifndef REVISION_H
 #define REVISION_H
 
+#include "commit.h"
 #include "parse-options.h"
 #include "grep.h"
 #include "notes.h"