Merge pull request #2021 from kamilmmach/develop

Fix image border in Word2007 Writer for LibreOffice 7

Author: troosan

src/PhpWord/Writer/Word2007/Element/Image.php

@@ -78,6 +78,7 @@ private function writeImage(XMLWriter $xmlWriter, ImageElement $element)
         $xmlWriter->startElement('w:pict');
         $xmlWriter->startElement('v:shape');
         $xmlWriter->writeAttribute('type', '#_x0000_t75');
+        $xmlWriter->writeAttribute('stroked', 'f');
 
         $styleWriter->write();
 
@@ -110,6 +111,7 @@ private function writeWatermark(XMLWriter $xmlWriter, ImageElement $element)
         $xmlWriter->startElement('w:pict');
         $xmlWriter->startElement('v:shape');
         $xmlWriter->writeAttribute('type', '#_x0000_t75');
+        $xmlWriter->writeAttribute('stroked', 'f');
 
         $styleWriter->write();