Fix the patch from #1953 to work with both git and patch

Closes #1954

patches/libxml2/0004-libxml2.la-is-in-top_builddir.patch

@@ -1,6 +1,17 @@
---- Makefile.in.orig	2019-12-04 06:31:23.930568000 +0900
-+++ Makefile.in	2019-12-04 06:31:26.838389000 +0900
-@@ -1057,7 +1057,7 @@
+From 0b6ae484761fa01242fe8b67b54e3eb2d282d83d Mon Sep 17 00:00:00 2001
+From: Mike Dalessio <mike.dalessio@gmail.com>
+Date: Wed, 4 Dec 2019 08:43:51 -0500
+Subject: [PATCH] fix libxml2.la's path
+
+---
+ Makefile.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile.in b/Makefile.in
+index cf96d41..1372d8b 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -1057,7 +1057,7 @@ clean-noinstLTLIBRARIES:
  	  rm -f $${locs}; \
  	}
 
@@ -9,3 +20,6 @@
  	$(AM_V_CCLD)$(libxml2_la_LINK) -rpath $(libdir) $(libxml2_la_OBJECTS) $(libxml2_la_LIBADD) $(LIBS)
 
  testdso.la: $(testdso_la_OBJECTS) $(testdso_la_DEPENDENCIES) $(EXTRA_testdso_la_DEPENDENCIES) 
+-- 
+2.17.1
+