wslay: Harmonize thirdparty patching

thirdparty/README.md

@@ -1122,10 +1122,12 @@ File extracted from upstream release tarball:
   Contents might need tweaking for Godot, review diff
 - All `.c` and `.h` files from `lib/`
 - All `.h` in `lib/includes/wslay/` as `wslay/`
-- `wslay/wslay.h` has a small Godot addition to fix MSVC build
-  See `patches/msvcfix.diff`
 - `COPYING`
 
+Patches:
+
+- `0001-msvc-build-fix.patch` (GH-30263)
+
 
 ## xatlas
 

thirdparty/wslay/patches/0001-msvc-build-fix.patch

@@ -0,0 +1,16 @@
+diff --git a/thirdparty/wslay/wslay/wslay.h b/thirdparty/wslay/wslay/wslay.h
+index 7ab850111a..7d63bdb2ce 100644
+--- a/thirdparty/wslay/wslay/wslay.h
++++ b/thirdparty/wslay/wslay/wslay.h
+@@ -33,6 +33,11 @@ extern "C" {
+ #include <stdlib.h>
+ #include <sys/types.h>
+
++#if defined(_MSC_VER)
++#include <BaseTsd.h>
++typedef SSIZE_T ssize_t;
++#endif
++
+ /*
+  * wslay/wslayver.h is generated from wslay/wslayver.h.in by
+  * configure. The projects which do not use autotools can set

thirdparty/wslay/wslay/wslay.h

@@ -33,12 +33,10 @@ extern "C" {
 #include <stdlib.h>
 #include <sys/types.h>
 
-/* GODOT ADDITTION */
 #if defined(_MSC_VER)
 #include <BaseTsd.h>
 typedef SSIZE_T ssize_t;
 #endif
-/* GODOT END */
 
 /*
  * wslay/wslayver.h is generated from wslay/wslayver.h.in by