clearer MSG for suspicious image size

I saw a MSG with size 0x[something], and of course I thought it was
complaining that a size was given in hex notation.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/png.c b/src/png.c
index b82046b9..bf9de2ef 100644
--- a/src/png.c
+++ b/src/png.c
@@ -137,7 +137,7 @@ Png_datainfo_callback(png_structp png_ptr, png_infop info_ptr)
    /* check max image size */
    if (png->width == 0 || png->height == 0 ||
        png->width > IMAGE_MAX_AREA / png->height) {
-      MSG("Png_datainfo_callback: suspicious image size request %lux%lu\n",
+      MSG("Png_datainfo_callback: suspicious image size request %lu x %lu\n",
           (ulong_t) png->width, (ulong_t) png->height);
       Png_error_handling(png_ptr, "Aborting...");
       return; /* not reached */