+ fix build failure, fix warning

src/App/FeatureTest.cpp

@@ -131,7 +131,7 @@ DocumentObjectExecReturn *FeatureTest::execute(void)
     case 3: *i=0;printf("%i",*i);break; // seg-vault
     case 4: j=0; printf("%i",1/j); break; // int devision by zero
     case 5: f=0.0; printf("%f",1/f); break; // float devision by zero
-    case 6: s = malloc(3600000000);break; // out-of-memory
+    case 6: s = malloc(3600000000ul);break; // out-of-memory
   }
   
   ExecCount.setValue(ExecCount.getValue() + 1);

src/Gui/SoFCUnifiedSelection.cpp

@@ -25,6 +25,7 @@
 #ifndef _PreComp_
 # include <qstatusbar.h>
 # include <qstring.h>
+# include <QGLWidget>
 # include <Inventor/details/SoFaceDetail.h>
 # include <Inventor/details/SoLineDetail.h>
 #endif