Fix C99 incompatibilities in Cairo code

* src/image.c (xpm_load) [USE_CAIRO]:
* src/xterm.c (x_cr_accumulate_data) [USE_CAIRO]:
Fix pointer signedness problem.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/xterm.c b/src/xterm.c
index d573738754a..b7aacfa8dca 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -552,7 +552,7 @@ x_cr_accumulate_data (void *closure, const unsigned char *data,
 {
   Lisp_Object *acc = (Lisp_Object *) closure;
 
-  *acc = Fcons (make_unibyte_string (data, length), *acc);
+  *acc = Fcons (make_unibyte_string ((char const *) data, length), *acc);
 
   return CAIRO_STATUS_SUCCESS;
 }