* fns.c (mapcar1): Declare byte as byte, for clarity.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/fns.c b/src/fns.c
index 32d96fbc94e..bbda385d927 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -2307,7 +2307,7 @@ mapcar1 (EMACS_INT leni, Lisp_Object *vals, Lisp_Object fn, Lisp_Object seq)
     {
       for (i = 0; i < leni; i++)
         {
-          int byte;
+          unsigned char byte;
           byte = XBOOL_VECTOR (seq)->data[i / BOOL_VECTOR_BITS_PER_CHAR];
           dummy = (byte & (1 << (i % BOOL_VECTOR_BITS_PER_CHAR))) ? Qt : Qnil;
           dummy = call1 (fn, dummy);