Ports: Update dash's patches to use git patches

Ports/dash/patches/0002-Skip-building-helpers-by-default.patch

@@ -0,0 +1,40 @@
+From 481993ee4f0908cefcbddb0cca4e6811751d809c Mon Sep 17 00:00:00 2001
+From: Gunnar Beutner <gbeutner@serenityos.org>
+Date: Mon, 12 Apr 2021 09:18:56 +0200
+Subject: [PATCH 2/2] Skip building helpers by default
+
+---
+ configure.ac    | 3 +++
+ src/Makefile.am | 2 ++
+ 2 files changed, 5 insertions(+)
+
+diff --git a/configure.ac b/configure.ac
+index 4829288..9f9a155 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -181,5 +181,8 @@ AC_ARG_ENABLE(lineno, AS_HELP_STRING(--disable-lineno, \
+ if test "$enable_lineno" != "no"; then
+ 	AC_DEFINE([WITH_LINENO], 1, [Define if you build with -DWITH_LINENO])
+ fi
++AC_ARG_ENABLE(helpers, AS_HELP_STRING(--enable-helpers, \
++				     [Build helpers]))
++AM_CONDITIONAL([BUILD_HELPERS], [test x$enable_helpers = xyes])
+ AC_CONFIG_FILES([Makefile src/Makefile])
+ AC_OUTPUT
+diff --git a/src/Makefile.am b/src/Makefile.am
+index 139355e..e95491a 100644
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -66,7 +66,9 @@ syntax.c syntax.h: mksyntax
+ signames.c: mksignames
+ 	./$^
+ 
++if BUILD_HELPERS
+ mksyntax: token.h
+ 
+ $(HELPERS): %: %.c
+ 	$(COMPILE_FOR_BUILD) -o $@ $<
++endif
+-- 
+2.36.1
+