* src/pcf/pcfread.c (pcf_load_font): Fix number of glyphs.

This is an oversight of the module change 2018-07-21.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9524

ChangeLog

@@ -1,3 +1,13 @@
+2018-07-22  Werner Lemberg  <wl@gnu.org>
+
+	* src/pcf/pcfread.c (pcf_load_font): Fix number of glyphs.
+
+	This is an oversight of the module change 2018-07-21.
+
+	Reported as
+
+	  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9524
+
 2018-07-22  Werner Lemberg  <wl@gnu.org>
 
 	[cid] Sanitize `BlueShift' and `BlueFuzz'.

src/pcf/pcfread.c

@@ -1538,14 +1538,7 @@ THE SOFTWARE.
       else
         root->family_name = NULL;
 
-      /*
-       * Note: We shift all glyph indices by +1 since we must
-       * respect the convention that glyph 0 always corresponds
-       * to the `missing glyph'.
-       *
-       * This implies bumping the number of `available' glyphs by 1.
-       */
-      root->num_glyphs = (FT_Long)( face->nmetrics + 1 );
+      root->num_glyphs = (FT_Long)face->nmetrics;
 
       root->num_fixed_sizes = 1;
       if ( FT_NEW_ARRAY( root->available_sizes, 1 ) )