added missing "else": without it FT_Open_Face() would still scan the list of drivers when specifying an explicit driver

src/base/ftobjs.c

@@ -1227,7 +1227,7 @@
 
       goto Fail;
     }
-    
+    else
     {
       /* check each font driver for an appropriate format */
       FT_Driver*  cur   = library->drivers;