Add three argument (year, month, day) constructor TimeStampUTC

tests/parser/DynamicStateTests.cpp

@@ -33,7 +33,7 @@
 Opm::TimeMap make_timemap(int num) {
     std::vector<std::time_t> tp;
     for (int i = 0; i < num; i++)
-        tp.push_back( Opm::asTimeT(Opm::TimeStampUTC({2010,1,i+1})));
+        tp.push_back( Opm::asTimeT(Opm::TimeStampUTC(2010,1,i+1)));
 
     Opm::TimeMap timeMap{ tp };
     return timeMap;