Triutils: Fix build warning
Created by: mhoemmen
@trilinos/triutils @micahahoward
Fix the following build warnings:
.../Trilinos/packages/triutils/src/Trilinos_Util_create_vbr.cpp(115): warning: variable "cnt" was set but never used
...
.../Trilinos/packages/triutils/src/Trilinos_Util_create_vbr.cpp: In function ‘void Trilinos_Util_create_vbr(const Epetra_Comm&, const char*, int*, int*, int*, int*, int*, int**, int*, double*, double**, int**, int**, int**, int**, int**)’:
.../Trilinos/packages/triutils/src/Trilinos_Util_create_vbr.cpp:115:5: warning: variable ‘cnt’ set but not used [-Wunused-but-set-variable]
int cnt;
^ ~