Tinderbox 71 Failing on CppunitTest_sd_export_ooxml2

Christian ,
Can you please check the logs to see what commit has caused @71 to now fail with 

https://tinderbox.libreoffice.org/cgi-bin/gunzip.cgi?tree=MASTER&brief-log=1535296801.26551


30639         SdOOXMLExportTest2::testTdf119118 finished in: 5171ms
30640 NEXT    xmltesttools.cxx:105:Assertion
30641         Test name: SdOOXMLExportTest2::testTdf91999_rotateShape
30642 NEXT    equality assertion failed
30643         - Expected: 1449000
30644         - Actual  : 1448640
30645         - In <file:///tmp/lu10390b4u9.tmp>, attribute ´y´ of 
´/p:sld/p:cSld/p:spTree/p:sp[2]/p:spPr/a:xfrm/a:off´ incorrect value.
30646         
30647 NEXT    xmltesttools.cxx:105:Assertion
30648         Test name: SdOOXMLExportTest2::testTdf114845_rotateShape
30649 NEXT    equality assertion failed
30650         - Expected: 3287520
30651         - Actual  : 3287160
30652         - In <file:///tmp/lu10390b4uh.tmp>, attribute ´y´ of 
´/p:sld/p:cSld/p:spTree/p:sp[5]/p:spPr/a:xfrm/a:off´ incorrect value.
30653         
30654         Failures !!!
30655         Run: 73   Failure total: 2   Failures: 2   Errors: 0
30656         
30657 NEXT    Error: a unit test failed, please do one of:
30658         
30659         make CppunitTest_sd_export_ooxml2 CPPUNITTRACE="gdb --args"
30660             # for interactive debugging on Linux
30661         make CppunitTest_sd_export_ooxml2 VALGRIND=memcheck
30662             # for memory checking
30663         make CppunitTest_sd_export_ooxml2 DEBUGCPPUNIT=TRUE
30664 NEXT        # for exception catching
30665         
30666         You can limit the execution to just one particular test by:
30667         
30668         make CPPUNIT_TEST_NAME="testXYZ" ...above mentioned params...
30669         
30670 NEXT    /tinderbox/buildslave/source/libo-master/solenv/gbuild/CppunitTest.mk:116: recipe for 
target ´/tinderbox/buildslave/build/workdir/CppunitTest/sd_export_ooxml2.test´ failed
30671 NEXT    make[1]: *** [/tinderbox/buildslave/build/workdir/CppunitTest/sd_export_ooxml2.test] 
Error 1
30672         make[1]: *** Waiting for unfinished jobs....
30673 NEXT    Makefile:286: recipe for target ´build´ failed
30674 NEXT    make: *** [build] Error 2

The last working build has scrolled off of the tinderbox page:
https://tinderbox.libreoffice.org/MASTER/status.html