Resolves: #i124717# do not mark *.svm graphic files as *.bmp graphic files

(cherry picked from commit a5cfb91f)

Conflicts:
	svtools/source/filter/filter.cxx

Change-Id: I43f62a453bfa17254cebc07bde95f07f16a329c2

vcl/source/filter/graphicfilter.cxx

@@ -1592,7 +1592,7 @@ sal_uInt16 GraphicFilter::ImportGraphic( Graphic& rGraphic, const OUString& rPat
             {
                 nStatus = GRFILTER_FORMATERROR;
             }
-            else
+            else if (aFilterName.equalsIgnoreAsciiCase(IMP_BMP))
             {
                 // #i15508# added BMP type (checked, works)
                 eLinkType = GFX_LINK_TYPE_NATIVE_BMP;