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-rw-r--r--diff-helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/diff-helper.c b/diff-helper.c
index 568d5ae..3c39c96 100644
--- a/diff-helper.c
+++ b/diff-helper.c
@@ -9,7 +9,7 @@
static int detect_rename = 0;
static int diff_score_opt = 0;
static int generate_patch = 1;
-static char *pickaxe = 0;
+static const char *pickaxe = NULL;
static int parse_oneside_change(const char *cp, int *mode,
unsigned char *sha1, char *path)