[kdelibs/svgicons] ksvgiconengine.cpp: extra check for NULL value

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1225394 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kdecore/svgicons/ksvgiconengine.cpp

@@ -542,6 +542,8 @@ KSVGIconEngine::~KSVGIconEngine()
 
 bool KSVGIconEngine::load(int width, int height, const TQString &path)
 {
+	if(path.isNull()) return false;
+
 	TQDomDocument svgDocument("svg");
 	TQFile file(path);