remove another unused variable and a type mismatch

Author: philipwjones

components/omega/src/infra/Error.h

@@ -135,7 +135,7 @@ Error::Error(ErrorCode ErrCode, // [in] error code to assign
 
    // Strip pathname from file argument
    std::string Filename;
-   int Pos = FileWPath.find_last_of("\\/");
+   auto Pos = FileWPath.find_last_of("\\/");
    if (Pos != std::string::npos) {
       Filename = FileWPath.substr(Pos + 1);
    } else {

components/omega/test/infra/FieldTest.cpp

@@ -850,8 +850,6 @@ int main(int argc, char **argv) {
                    if (Data3DI4(Cell, K, Trcr) != RefI4 + Cell + K + Trcr)
                       ++LCount;
                    for (int TimeLvl = 0; TimeLvl < NTime; ++TimeLvl) {
-                      int Add4 =
-                          TimeLvl * NTracers * NCellsSize * NVertLevels + Add3;
                       if (Data4DI8(Cell, K, Trcr, TimeLvl) !=
                           RefI8 + Cell + K + Trcr + TimeLvl)
                          ++LCount;