python: Update to 3.8.7

python/900-msysize.patch

@@ -140,15 +140,6 @@ diff -Naur Python-3.8.2-orig/configure.ac Python-3.8.2/configure.ac
            AC_DEFINE(HAVE_BROKEN_PTHREAD_SIGMASK, 1,
              [Define if pthread_sigmask() does not work on your system.])
              ;;
-@@ -4656,7 +4667,7 @@
- 
- AC_SUBST(EXT_SUFFIX)
- case $ac_sys_system in
--    Linux*|GNU*|Darwin|VxWorks|CYGWIN*)
-+    Linux*|GNU*|Darwin|VxWorks|CYGWIN*|MSYS*)
- 	EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX};;
-     *)
- 	EXT_SUFFIX=${SHLIB_SUFFIX};;
 @@ -4990,7 +4990,7 @@
  
  # On Android and Cygwin the shared libraries must be linked with libpython.