0024180: Eliminate CLang / GCC compiler warning -Wswitch

Eliminated warnings -Wswitch shown by gcc
Eliminated two new warnings about wrong initialization order
Eliminated warnings about unused functions.
A few more ICC warnings (type conversions) fixed

src/ChFi3d/ChFi3d_Builder_0.cxx

@@ -1765,6 +1765,8 @@ TopAbs_Orientation ChFi3d_TrsfTrans(const IntSurf_TypeTrans T1)
   switch (T1)  {
     case IntSurf_In:  return TopAbs_FORWARD;
     case IntSurf_Out: return TopAbs_REVERSED;
+    default:
+      break;
   }
   return TopAbs_INTERNAL;
 }