Fix warning

diff --git a/ext/exif/exif.c b/ext/exif/exif.c
index 5d4b138f8e422206fdba7e0ce425bc44a0948cad..7baf3f4c921e2806086a1022dac6a70091af181f 100644 (file)
--- a/ext/exif/exif.c
+++ b/ext/exif/exif.c
@@ -1628,7 +1628,7 @@ static void exif_iif_add_value(image_info_type *image_info, int section_index, c
                        } else {
                                info_value = &info_data->value;
                        }
-                       for (idex=0,vptr=value; idex<length; idex++,vptr=(char *) vptr + php_tiff_bytes_per_format[format]) {
+                       for (idex=0,vptr=value; idex<(size_t)length; idex++,vptr=(char *) vptr + php_tiff_bytes_per_format[format]) {
                                if (length>1) {
                                        info_value = &info_data->value.list[idex];
                                }