[PATCH] Fix support for old libcurl

diff --git a/read-tree.c b/read-tree.c
index 65f2d9a5dc5dd6cf6aaa24ca90d96c5c7ab6992d..ce2bb88f0aae8919f188a0dbc5f3338523151740 100644 (file)
--- a/read-tree.c
+++ b/read-tree.c
@@ -510,7 +510,7 @@ static int read_cache_unmerged(void)
        return deleted;
 }
 
-static char *read_tree_usage = "git-read-tree (<sha> | -m [-u] <sha1> [<sha2> [<sha3>]])";
+static const char read_tree_usage[] = "git-read-tree (<sha> | -m [-u] <sha1> [<sha2> [<sha3>]])";
 
 static struct cache_file cache_file;