xdiff/xhistogram: drop need for additional variable

diff --git a/setup.c b/setup.c
index 013ad1127534367e64afeec3749e617ceccfb5d4..ce87900ce3c68ace0f231827bdda0e9a65ef15b3 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -382,7 +382,7 @@ const char *read_gitfile_gently(const char *path)
        const char *slash;
        struct stat st;
        int fd;
-       size_t len;
+       ssize_t len;
 
        if (stat(path, &st))
                return NULL;