Revert "fdo#74743 avoid infinite loop when gathering "svg" element styles"

This reverts commit 3b7472b2.
Commit 0879a639 didn't
revert all changes, so we ran into problems getting the
css style correctly.

Conflicts:
	svgio/source/svgreader/svgstyleattributes.cxx
	svgio/source/svgreader/svgsvgnode.cxx

Change-Id: I4d17c6d599482de005c009638d03ca851491f700
Reviewed-on: https://gerrit.libreoffice.org/10455Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
Tested-by: Tomaž Vajngerl <quikee@gmail.com>

svgio/source/svgreader/svgstyleattributes.cxx

@@ -203,15 +203,16 @@ namespace svgio
 
         const SvgStyleAttributes* SvgStyleAttributes::getParentStyle() const
         {
-            const SvgStyleAttributes* pParentStyle = getCssStyleParent();
+            if(getCssStyleParent())
+            {
+                return getCssStyleParent();
+            }
 
-            if(mrOwner.supportsParentStyle() && mrOwner.getParent())
+            if(mrOwner.getParent())
             {
                 return mrOwner.getParent()->getSvgStyleAttributes();
             }
 
-            if (pParentStyle != this) // to prevent infinite loop
-                return pParentStyle;
             return NULL;
         }