add libvorbis diff, since it can't be compiled in emscripten (only some header includes are missing)

Author: Totto16

subprojects/packagefiles/libvorbis-1.3.7_web.diff

@@ -0,0 +1,35 @@
+diff --git a/lib/misc.h b/lib/misc.h
+index eac5160..0fe9400 100644
+--- a/lib/misc.h
++++ b/lib/misc.h
+@@ -18,6 +18,11 @@
+ #define _V_RANDOM_H_
+ #include "vorbis/codec.h"
+ 
++#ifdef __EMSCRIPTEN__
++#include <alloca.h>
++#endif
++
++
+ extern void *_vorbis_block_alloc(vorbis_block *vb,long bytes);
+ extern void _vorbis_block_ripcord(vorbis_block *vb);
+ extern int ov_ilog(ogg_uint32_t v);
+diff --git a/vq/bookutil.h b/vq/bookutil.h
+index d8fbcbe..7f22a1c 100644
+--- a/vq/bookutil.h
++++ b/vq/bookutil.h
+@@ -17,6 +17,14 @@
+ #ifndef _V_BOOKUTIL_H_
+ #define _V_BOOKUTIL_H_
+ 
++
++#ifdef __EMSCRIPTEN__
++#include <alloca.h>
++#include <string.h>
++char* strdup(const char*);
++#endif
++
++
+ #include <stdio.h>
+ #include <sys/time.h>
+ 

subprojects/vorbis.wrap

@@ -8,6 +8,8 @@ patch_url = https://wrapdb.mesonbuild.com/v2/vorbis_1.3.7-4/get_patch
 patch_hash = 979e22b24b16c927040700dfd8319cd6ba29bf52a14dbc66b1cb4ea60504f14a
 wrapdb_version = 1.3.7-4
 
+diff_files = libvorbis-1.3.7_web.diff
+
 [provide]
 vorbis = vorbis_dep
 vorbisfile = vorbisfile_dep