gnu: libvisio: Update to 0.1.6.

* gnu/packages/libreoffice.scm (libvisio): Update to 0.1.6.
[source](patches): Remove.
* gnu/packages/patches/libvisio-fix-tests.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -825,7 +825,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/libusb-0.1-disable-tests.patch		\
   %D%/packages/patches/libusb-for-axoloti.patch			\
   %D%/packages/patches/libvirt-CVE-2017-1000256.patch		\
-  %D%/packages/patches/libvisio-fix-tests.patch			\
   %D%/packages/patches/libvpx-CVE-2016-2818.patch		\
   %D%/packages/patches/libxcb-python-3.5-compat.patch		\
   %D%/packages/patches/libxfont-CVE-2017-13720.patch		\

gnu/packages/libreoffice.scm

@@ -520,15 +520,14 @@ created by PageMaker version 6.x and 7.")
 (define-public libvisio
   (package
     (name "libvisio")
-    (version "0.1.5")
+    (version "0.1.6")
     (source
      (origin
       (method url-fetch)
       (uri (string-append "http://dev-www.libreoffice.org/src/" name "/"
                           name "-" version ".tar.xz"))
-      (patches (search-patches "libvisio-fix-tests.patch"))
       (sha256 (base32
-               "132szijxm95ibzq5qqaylifbf6wa81g08jxggnwv22v60dwhc2j3"))))
+               "1yahpfl13qk6178irv8jn5ppxdn7isafqisyqsdw0lqxcz9h447y"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("cppunit" ,cppunit)

gnu/packages/patches/libvisio-fix-tests.patch

@@ -1,35 +0,0 @@
-Tests assume a CET timezone, but do not respect the "TZ" variable.
-
-This patch is a "squashed" version of these upstream commits:
-<https://cgit.freedesktop.org/libreoffice/libvisio/commit/?id=a97d30ad693374deab404ec31fe00665882cc949>
-<https://cgit.freedesktop.org/libreoffice/libvisio/commit/?id=c933df45a873e566c6ce4e5de5f829e64eb892f5>
-
-diff --git a/src/test/Makefile.am b/src/test/Makefile.am
-index 59d3419..23049b5 100644
---- a/src/test/Makefile.am
-+++ b/src/test/Makefile.am
-@@ -29,4 +29,7 @@ EXTRA_DIST = \
- 	     data/dwg.vsdx \
- 	     $(test_SOURCES)
- 
-+# ImportTest::testVsdMetadataTitleUtf8 checks formatted date string
-+AM_TESTS_ENVIRONMENT = TZ=UTC; export TZ;
-+
- TESTS = test
-diff --git a/src/test/importtest.cpp b/src/test/importtest.cpp
-index e05b3c1..32fb185 100644
---- a/src/test/importtest.cpp
-+++ b/src/test/importtest.cpp
-@@ -242,8 +242,8 @@ void ImportTest::testVsdMetadataTitleUtf8()
-   // Test the case when the string is UTF-8 encoded already in the file.
-   assertXPath(m_doc, "/document/setDocumentMetaData", "title", "mytitle\xC3\xA9\xC3\xA1\xC5\x91\xC5\xB1");
-   // Test <dcterms:created> and <dcterms:modified>.
--  assertXPath(m_doc, "/document/setDocumentMetaData", "creation-date", "2014-11-26T09:24:56Z");
--  assertXPath(m_doc, "/document/setDocumentMetaData", "date", "2014-11-26T09:24:56Z");
-+  assertXPath(m_doc, "/document/setDocumentMetaData", "creation-date", "2014-11-26T08:24:56Z");
-+  assertXPath(m_doc, "/document/setDocumentMetaData", "date", "2014-11-26T08:24:56Z");
- }
- 
- void ImportTest::testVsdUserDefinedMetadata()
--- 
-2.1.4