bug fix, ltra and tra, (initial conditions)

reported in
  https://sourceforge.net/tracker/?func=detail&atid=423915&aid=3535544&group_id=38962

bug was introduced in this commit:
  Date:   Wed Dec 31 17:02:46 2003 +0000
  Cleaned up LTRA, TRA and URC code and updated DEVICES file.

src/spicelib/devices/ltra/ltrapar.c

@@ -39,13 +39,10 @@ LTRAparam(int param, IFvalue *value, GENinstance *inst, IFvalue *select)
     switch (value->v.numValue) {
     case 4:
       here->LTRAinitCur2 = *(value->v.vec.rVec + 3);
-      break;
     case 3:
       here->LTRAinitVolt2 = *(value->v.vec.rVec + 2);
-      break;
     case 2:
       here->LTRAinitCur1 = *(value->v.vec.rVec + 1);
-      break;
     case 1:
       here->LTRAinitVolt1 = *(value->v.vec.rVec);
       break;

src/spicelib/devices/tra/traparam.c

@@ -65,13 +65,10 @@ TRAparam(int param, IFvalue *value, GENinstance *inst, IFvalue *select)
             switch(value->v.numValue){
                 case 4:
                     here->TRAinitCur2 = *(value->v.vec.rVec+3);
-                    break;
                 case 3:
                     here->TRAinitVolt2 =  *(value->v.vec.rVec+2);
-                    break;
                 case 2:
                     here->TRAinitCur1 = *(value->v.vec.rVec+1);
-                    break;
                 case 1:
                     here->TRAinitVolt1 = *(value->v.vec.rVec);
                     break;