Fix incorrect pointer initialization

diff --git a/ttf2png.c b/ttf2png.c
index 0a66de26cc72f2c09772743db26f6eb7696cd5da..3ab2bf2ee9a231d714705f160de969f56d07e3ab 100644 (file)
--- a/ttf2png.c
+++ b/ttf2png.c
@@ -1082,7 +1082,7 @@ int save_png(const char *fn, const Image *image, char alpha)
        png_info *pngi;
        png_byte **rows;
        unsigned i;
-       png_byte *data2 = 0;
+       png_byte *data2 = NULL;
        int color;
 
        if(!strcmp(fn, "-"))