Patch perl using PR19912

This gets PDL to build.

Fixes #93

Also update the libgd version so it passes tests.

share/64bit-5.36.1.1.pp

@@ -27,6 +27,7 @@
             'libmysql'      => '<package_url>/kmx/64_libs/gcc71-2017Q2/64bit_mysql-5.7.16-bin_20170517.zip',
             #  gcc10 libs - not all are needed
             extlibs_gcc13_collated => 'https://github.com/StrawberryPerl/build-extlibs/releases/download/dev_gcc13.1_20230502/extlibs_gcc13_collated_20230502.zip',
+            libgd           => 'https://github.com/StrawberryPerl/build-extlibs/releases/download/dev_gcc13.1_20230502/64bit_libgd-2.3.2-bin_20230502.zip',
             zdb_gcc83       => '<package_url>/kmx/64_libs/gcc83-2019Q2/64bit_db-6.2.38-bin_20190522.zip',
 
         },
@@ -58,6 +59,7 @@
             '<dist_sharedir>/perl-5.36/rt142390.patch'          => '*',
             '<dist_sharedir>/perl-5.36/perl_pr20008.diff'       => '*',
             '<dist_sharedir>/perl-5.36/perl_pr20136.patch'      => '*',
+            '<dist_sharedir>/perl-5.36/perl_pr19912_commit1.patch'      => '*',
             #'<dist_sharedir>/perl-5.36/GNUmakefile'             => 'win32/GNUmakefile',
             'config_H.gc'                                 => {
                 I_DBM  => 'define',

share/perl-5.36/perl_pr19912_commit1.patch

@@ -0,0 +1,37 @@
+diff -wu a/win32/vmem.h b/win32/vmem.h
+--- a/win32/vmem.h    2022-06-21 03:57:59.000000000 +1000
++++ b/win32/vmem.h    2022-07-21 02:30:13.000000000 +1000
+@@ -69,14 +69,32 @@
+
+ #ifdef _USE_LINKED_LIST
+ class VMem;
++
++/*
++ * Address an alignment issue with x64 mingw-w64 ports of gcc-12 and
++ * (presumably) later. We do the same thing again 16 lines further down.
++ * See https://github.com/Perl/perl5/issues/19824
++ */
++
++#if defined(__MINGW64__) && __GNUC__ > 11
++typedef struct _MemoryBlockHeader* PMEMORY_BLOCK_HEADER __attribute__ ((aligned(16)));
++#else
+ typedef struct _MemoryBlockHeader* PMEMORY_BLOCK_HEADER;
++#endif
++
+ typedef struct _MemoryBlockHeader {
+     PMEMORY_BLOCK_HEADER    pNext;
+     PMEMORY_BLOCK_HEADER    pPrev;
+     VMem *owner;
++
++#if defined(__MINGW64__) && __GNUC__ > 11
++} MEMORY_BLOCK_HEADER __attribute__ ((aligned(16))), *PMEMORY_BLOCK_HEADER;
++#else
+ } MEMORY_BLOCK_HEADER, *PMEMORY_BLOCK_HEADER;
+ #endif
+
++#endif
++
+ class VMem
+ {
+ public:
+