[sfnt] Fix Savannah bug #43392.

* src/sfnt/ttsbit.c (tt_sbit_decoder_load_metrics): Don't let
vertical metrics uninitialized.

ChangeLog

@@ -1,3 +1,10 @@
+2014-10-12  Werner Lemberg  <wl@gnu.org>
+
+	[sfnt] Fix Savannah bug #43392.
+
+	* src/sfnt/ttsbit.c (tt_sbit_decoder_load_metrics): Don't let
+	vertical metrics uninitialized.
+
 2014-10-11  Alexei Podtelezhnikov  <apodtele@gmail.com>
 
 	[base] Small bbox correction.

src/sfnt/ttsbit.c

@@ -505,6 +505,13 @@
 
       p += 3;
     }
+    else
+    {
+      /* avoid uninitialized data in case there is no vertical info -- */
+      metrics->vertBearingX = 0;
+      metrics->vertBearingY = 0;
+      metrics->vertAdvance  = metrics->width;
+    }
 
     decoder->metrics_loaded = 1;
     *pp = p;