[lldb] Add trailing dots to comments in Value.cpp

lldb/source/Core/Value.cpp

Status Value::GetValueAsData(ExecutionContext *exe_ctx, DataExtractor &data,
 
   if (address == LLDB_INVALID_ADDRESS) {
     error.SetErrorStringWithFormat("invalid %s address",
                                    address_type == eAddressTypeHost ? "host"
                                                                     : "load");
     return error;
   }
 
-  // If we got here, we need to read the value from memory
+  // If we got here, we need to read the value from memory.
   size_t byte_size = GetValueByteSize(&error, exe_ctx);
 
-  // Bail if we encountered any errors getting the byte size
+  // Bail if we encountered any errors getting the byte size.
   if (error.Fail())
     return error;
 
   // No memory to read for zero-sized types.
   if (byte_size == 0)
     return error;
 
   // Make sure we have enough room within "data", and if we don't make