Regenerate stubs

Looks like these GD changes got lost along the way...

Author: nikic

ext/gd/gd_arginfo.h

@@ -460,7 +460,7 @@ ZEND_END_ARG_INFO()
 #endif
 
 #if defined(HAVE_GD_FREETYPE)
-ZEND_BEGIN_ARG_INFO_EX(arginfo_imagefttext, 0, 0, 8)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_imagefttext, 0, 8, MAY_BE_ARRAY|MAY_BE_FALSE)
 	ZEND_ARG_OBJ_INFO(0, im, GdImage, 0)
 	ZEND_ARG_TYPE_INFO(0, size, IS_DOUBLE, 0)
 	ZEND_ARG_TYPE_INFO(0, angle, IS_DOUBLE, 0)
@@ -474,7 +474,7 @@ ZEND_END_ARG_INFO()
 #endif
 
 #if defined(HAVE_GD_FREETYPE)
-ZEND_BEGIN_ARG_INFO_EX(arginfo_imagettfbbox, 0, 0, 4)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_imagettfbbox, 0, 4, MAY_BE_ARRAY|MAY_BE_FALSE)
 	ZEND_ARG_TYPE_INFO(0, size, IS_DOUBLE, 0)
 	ZEND_ARG_TYPE_INFO(0, angle, IS_DOUBLE, 0)
 	ZEND_ARG_TYPE_INFO(0, font_file, IS_STRING, 0)