Default initialize PTrajectoryStateOnDet members

GCC 6.0.0 (r234661) we might create PTrajectoryStateOnDet without
initialized members. The patch adds the defaults which later can be
modified by member initializer list in ctor.

    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[0]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[10]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[11]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[12]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[13]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[14]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[1]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[2]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[3]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[4]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[5]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[6]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[7]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[8]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::theLocalErrors[9]' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    RecoMuon/StandAloneTrackFinder/src/StandAloneTrajectoryBuilder.cc:282:20: error: 'seedVoid.TrajectorySeed::tsos_.PTrajectoryStateOnDet::thePt' may be used uninitialized in this function [-Werror=maybe-uninitialized]

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>

DataFormats/TrajectoryState/interface/PTrajectoryStateOnDet.h

@@ -79,9 +79,9 @@ class PTrajectoryStateOnDet {
 private:
 
   LocalTrajectoryParameters theLocalParameters;
-  float theLocalErrors[15];
-  float thePt;
-  unsigned int thePack;
+  float theLocalErrors[15] = {};
+  float thePt = 0;
+  unsigned int thePack = 0;
 
 };