bridges: -Werror,-Wimplicit-fallthrough

Change-Id: I1ad51d4dc7e6bddfc5fa8d6252a7d6349bd5dfb7

bridges/source/cpp_uno/gcc3_linux_intel/callvirtualmethod.cxx

@@ -107,6 +107,7 @@ void CPPU_CURRENT_NAMESPACE::callVirtualMethod(
         case typelib_TypeClass_HYPER:
         case typelib_TypeClass_UNSIGNED_HYPER:
             static_cast<long*>(pRegisterReturn)[1] = edx;
+            SAL_FALLTHROUGH;
         case typelib_TypeClass_LONG:
         case typelib_TypeClass_UNSIGNED_LONG:
         case typelib_TypeClass_CHAR:

bridges/source/cpp_uno/gcc3_linux_intel/cpp2uno.cxx

@@ -323,7 +323,8 @@ extern "C" void cpp_vtable_call(
                 }
                 TYPELIB_DANGER_RELEASE( pTD );
             }
-        } // else perform queryInterface()
+            SAL_FALLTHROUGH; // else perform queryInterface()
+        }
         default:
             cpp2uno_call(
                 pCppI, aMemberDescr.get(),

bridges/source/cpp_uno/gcc3_linux_intel/uno2cpp.cxx

@@ -348,7 +348,8 @@ void unoInterfaceProxyDispatch(
                 }
                 TYPELIB_DANGER_RELEASE( pTD );
             }
-        } // else perform queryInterface()
+            SAL_FALLTHROUGH; // else perform queryInterface()
+        }
         default:
             // dependent dispatch
             cpp_call(