fixed potential segfault.

diff --git a/src/swfbbox.c b/src/swfbbox.c
index b8facd0..f0017aa 100644 (file)
--- a/src/swfbbox.c
+++ b/src/swfbbox.c
@@ -240,8 +240,8 @@ static void textcallback(void*self, int*chars, int*xpos, int nr, int fontid, int
        SRECT newglyphbbox, glyphbbox = font->layout->bounds[chars[t]];
        MATRIX m = bounds->m;
        
-       if(ch < font->numchars && font->glyph2ascii) {
-           ch = font->glyph2ascii[ch];
+       if(chars[t] < font->numchars && font->glyph2ascii) {
+           ch = font->glyph2ascii[chars[t]];
        }
 
        m.sx = (m.sx * fontsize) / 1024;