Avoid MSVC warning about conversion from size_t to long

1 files changed, 2 insertions, 2 deletions

diff --git a/src/tokenizer.cc b/src/tokenizer.cc
index 9f55ec8..4c43c6c 100644
--- a/src/tokenizer.cc
+++ b/src/tokenizer.cc
@@ -155,9 +155,9 @@ std::unique_ptr<Token> Tokenizer::NextToken() {
 
   // If the number isn't the whole token then move back so we can then parse
   // the string portion.
-  long diff = final_pos - tok_str.c_str();
+  auto diff = size_t(final_pos - tok_str.c_str());
   if (diff > 0)
-    current_position_ -= (tok_str.length() - static_cast<size_t>(diff));
+    current_position_ -= tok_str.length() - diff;
 
   return tok;
 }