db.c find_audio_files(): use int rather than char for cwd_fd

diff --git a/db.c b/db.c
index 2e4ffbd..027dfda 100644 (file)
--- a/db.c
+++ b/db.c
@@ -50,7 +50,7 @@ int find_audio_files(const char *dirname, int (*f)(const char *, const char *))
         * is usually faster and more reliable than saving cwd in some buffer
         * and calling chdir() afterwards (see man 3 getcwd).
         */
-       char cwd_fd = open(".", O_RDONLY);
+       int cwd_fd = open(".", O_RDONLY);
        struct stat s;
        int ret = -1;