0024284: Some trivial warnings produced by ICC 14

Eliminated ICC 14 warnings:
# 82: storage class is not first (e.g. "int static f()"
# 2621: attribute "dllexport" does not apply here (e.g. "Standard_EXPORT typedef int qqint;")
# 2415: variable "..." of static storage duration was declared but never referenced
# 111: statement is unreachable (usually "break" after "return" in cycles)

src/TopOpeBRepBuild/TopOpeBRepBuild_KPart.cxx

@@ -2136,18 +2136,15 @@ static Standard_Boolean disjPerformCommon(const TopTools_IndexedMapOfShape& theM
       switch (ires) {
       case RESNULL: {
 	continue;
-	break;
       }
       case RESSHAPE12 : {
 	aMapOfCommonOfCouple.Add(sol1);
 	aMapOfCommonOfCouple.Add(sol2);
 	continue;
-	break;
       }
       case RESSHAPE1 : {
 	aMapOfCommonOfCouple.Add(sol1);
 	continue;
-	break;
       }
       case RESSHAPE2 : {
 	aMapOfCommonOfCouple.Add(sol2);