Source typos fixes

src/Gui/WidgetFactory.cpp

@@ -1160,7 +1160,7 @@ PyResource::PyResource() : myDlg(0)
 PyResource::~PyResource()
 {
     delete myDlg;
-    for (std::vector<SignalConnect*>::iterator it = mySingals.begin(); it != mySingals.end(); ++it) {
+    for (std::vector<SignalConnect*>::iterator it = mySignals.begin(); it != mySignals.end(); ++it) {
         SignalConnect* sc = *it;
         delete sc;
     }
@@ -1264,7 +1264,7 @@ bool PyResource::connect(const char* sender, const char* signal, PyObject* cb)
 
     if (objS) {
         SignalConnect* sc = new SignalConnect(this, cb);
-        mySingals.push_back(sc);
+        mySignals.push_back(sc);
         return QObject::connect(objS, sigStr.toLatin1(), sc, SLOT ( onExecute() )  );
     }
     else