[bdf] Fix Savannah bug #35643.

* src/bdf/bdflib.c (_bdf_list_ensure): Bring code in sync with
comment before `_bdf_list_split', this is, really allocate at least
five `field' elements.

ChangeLog

@@ -1,3 +1,11 @@
+2012-02-29  Werner Lemberg  <wl@gnu.org>
+
+	[bdf] Fix Savannah bug #35643.
+
+	* src/bdf/bdflib.c (_bdf_list_ensure): Bring code in sync with
+	comment before `_bdf_list_split', this is, really allocate at least
+	five `field' elements.
+
 2012-02-29  Werner Lemberg  <wl@gnu.org>
 
 	[bdf] Fix Savannah bug #35641.

src/bdf/bdflib.c

@@ -462,7 +462,7 @@
     if ( num_items > list->size )
     {
       unsigned long  oldsize = list->size; /* same as _bdf_list_t.size */
-      unsigned long  newsize = oldsize + ( oldsize >> 1 ) + 4;
+      unsigned long  newsize = oldsize + ( oldsize >> 1 ) + 5;
       unsigned long  bigsize = (unsigned long)( FT_INT_MAX / sizeof ( char* ) );
       FT_Memory      memory  = list->memory;