escape warning for Mac OSX

diff --git a/sample/count.c b/sample/count.c
index 7e0d3205e23939ce35086ef8a6d4f16f7355d65d..4afc2df4f7291abf5d6e7f738e298151e4034100 100644 (file)
--- a/sample/count.c
+++ b/sample/count.c
@@ -59,7 +59,7 @@ test(OnigEncoding enc, char* in_pattern, char* in_str)
     }
 
     slot = 0;
-    r = onig_get_callout_data_by_tag(reg, mp, tag, tag + tag_len, slot, 0, &val);
+    r = onig_get_callout_data_by_tag(reg, mp, (UChar* )tag, (UChar* )tag + tag_len, slot, 0, &val);
     if (r != ONIG_NORMAL) goto err;
 
     fprintf(stdout, "COUNT[x]: %ld\n", val.l);