Fix compiler warning -Wstring-plus-int

Warning was as follows:

  src/tex2lyx/Parser.cpp:898:39: error: adding 'uint32_t' (aka 'unsigned int') to a string does not append to the string [-Werror,-Wstring-plus-int]
                  warning_message("ignoring a char: " + static_cast<uint32_t>(c));
                                  ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
  src/tex2lyx/Parser.cpp:898:39: note: use array indexing to silence this warning
                  warning_message("ignoring a char: " + static_cast<uint32_t>(c));
                                                      ^
                                  &                   [                         ]
  1 error generated.

diff --git a/src/tex2lyx/Parser.cpp b/src/tex2lyx/Parser.cpp
index 499e31e9671608b498f1390feedf5dc5c7409d6a..61619cb68176080e64fdc51e5e408066155c1cac 100644 (file)
--- a/src/tex2lyx/Parser.cpp
+++ b/src/tex2lyx/Parser.cpp
@@ -895,7 +895,7 @@ void Parser::tokenize_one()
        }
 
        case catIgnore: {
-               warning_message("ignoring a char: " + static_cast<uint32_t>(c));
+               warning_message("ignoring a char: " + std::to_string(static_cast<uint32_t>(c)));
                break;
        }