patch 9.0.0477: missing dependency may cause crashes on incomplete build

Problem:    Missing dependency may cause crashes on incomplete build.
Solution:   Add dependency.

src/Makefile

@@ -4191,7 +4191,7 @@ objects/vim9type.o: vim9type.c vim.h protodef.h auto/config.h feature.h os_unix.
  auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
  proto/gui_beval.pro structs.h regexp.h gui.h libvterm/include/vterm.h \
  libvterm/include/vterm_keycodes.h alloc.h ex_cmds.h spell.h proto.h \
- globals.h errors.h
+ globals.h errors.h vim9.h
 objects/viminfo.o: viminfo.c vim.h protodef.h auto/config.h feature.h os_unix.h \
  auto/osdef.h ascii.h keymap.h termdefs.h macros.h option.h beval.h \
  proto/gui_beval.pro structs.h regexp.h gui.h libvterm/include/vterm.h \

src/version.c

@@ -703,6 +703,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    477,
 /**/
     476,
 /**/

src/vim9type.c

@@ -20,6 +20,11 @@
 # include <float.h>
 #endif
 
+// When not generating protos this is included in proto.h
+#ifdef PROTO
+# include "vim9.h"
+#endif
+
 /*
  * Allocate memory for a type_T and add the pointer to type_gap, so that it can
  * be easily freed later.