_SV_WORKWIN is nowhere

Change-Id: I736162269041a7ee0266566c00fd16f0a9629cd2
Use proper header guard convention

Change-Id: I8e7b2187004a9b945a847c351e16ba1d1ff7a4ec
No _SV_AccObjectWinManager_HXX anywhere

Change-Id: I0ab040ae4379995353009f3e852e6efc6760fb59
Bin pointless header inclusion guard

Change-Id: I8efa6fe219df952586aef84db406dd1190e451d5
Use our header guard convention

Using identifiers starting with underscores is questionable even if they don't
happen to clash with anything used by the language implementation.

Change-Id: I0af605d40d85ea7e47e1047572fbe180270e08ac