coretext: don't forget to release font format attribute

diff --git a/libass/ass_coretext.c b/libass/ass_coretext.c
index 1e74ad1434f3ac72d6307097e80e72bb1f9cd3c6..f480d3c5ccb1dd2d68d5c15e7347a06d5545e4bb 100644 (file)
--- a/libass/ass_coretext.c
+++ b/libass/ass_coretext.c
@@ -63,6 +63,8 @@ static bool check_postscript(void *priv)
     if (!CFNumberGetValue(cfformat, kCFNumberIntType, &format))
         return false;
 
+    SAFE_CFRelease(cfformat);
+
     return format == kCTFontFormatOpenTypePostScript ||
            format == kCTFontFormatPostScript;
 }