[libxslt] Add new EXSLT string tests to EXTRA_DIST

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 5b1a24d44a9c9b3ad819cf5bf993a4115d2859cd
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Thu Nov 28 12:50:09 2019 +0100

    Add new EXSLT string tests to EXTRA_DIST

 tests/exslt/strings/Makefile.am | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/tests/exslt/strings/Makefile.am b/tests/exslt/strings/Makefile.am
index 41a6ce6f..0fa3aeb6 100644
--- a/tests/exslt/strings/Makefile.am
+++ b/tests/exslt/strings/Makefile.am
@@ -10,7 +10,8 @@ EXTRA_DIST =                                          \
        split.1.xml split.1.xsl split.1.out             \
        tokenize.1.xml tokenize.1.xsl tokenize.1.out    \
        tokenize.2.xml tokenize.2.xsl tokenize.2.out    \
-       tokenize.3.xml tokenize.3.xsl tokenize.3.out
+       tokenize.3.xml tokenize.3.xsl tokenize.3.out    \
+       uri.xml uri.xsl uri.out
 
 CLEANFILES = .memdump