if(oldstr3504){
if(oldstr3504->fixed)qbs_set(oldstr3504,_SUB_BUILD_STRING_PATH);
qbs_free(_SUB_BUILD_STRING_PATH);
}
qbs_free(_SUB_BUILD_STRING_PREVIOUS_DIR);
qbs_free(_SUB_BUILD_STRING_RETURN_PATH);
qbs_free(_SUB_BUILD_STRING_C);
