hook: use correct logical variable

diff --git a/builtin/gc.c b/builtin/gc.c
index f484eda43ca06046924931d2055b50c2f89ea8d7..bd91f136fed125ab06502c22b74b4f193f60773a 100644 (file)
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -11,6 +11,7 @@
  */
 
 #include "builtin.h"
+#include "config.h"
 #include "tempfile.h"
 #include "lockfile.h"
 #include "parse-options.h"