sfnt: Cast a charcode to 32-bit in cmap format 12 parser.

ChangeLog

@@ -1,3 +1,11 @@
+2009-07-03  suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
+
+	sfnt: Cast a charcode to 32-bit in cmap format 12 parser.
+
+	* src/sfnt/ttcmap.c (tt_cmap12_char_next):
+	Insert explicit cast from FT_UFast to FT_UInt32
+	for return value.
+
 2009-07-03  suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
 
 	psaux: Fix a few casts to FT_Int32 value.

src/sfnt/ttcmap.c

@@ -2228,8 +2228,10 @@
       if ( cmap12->valid )
       {
         gindex = cmap12->cur_gindex;
+
+        /* XXX: check cur_charcode overflow is expected */
         if ( gindex )
-          *pchar_code = cmap12->cur_charcode;
+          *pchar_code = (FT_UInt32)cmap12->cur_charcode;
       }
       else
         gindex = 0;
@@ -2237,7 +2239,8 @@
     else
       gindex = tt_cmap12_char_map_binary( cmap, pchar_code, 1 );
 
-    return gindex;
+    /* XXX: check gindex overflow is expected */
+    return (FT_UInt32)gindex;
   }