esmtool: Print human-readable ESM4 file format version

apps/esmtool/tes4.cpp

@@ -562,7 +562,7 @@ namespace EsmTool
             {
                 std::cout << "Author: " << reader.getAuthor() << '\n'
                           << "Description: " << reader.getDesc() << '\n'
-                          << "File format version: " << reader.esmVersion() << '\n';
+                          << "File format version: " << reader.esmVersionF() << '\n';
 
                 if (const std::vector<ESM::MasterData>& masterData = reader.getGameFiles(); !masterData.empty())
                 {

components/esm4/reader.hpp

@@ -247,6 +247,7 @@ namespace ESM4
         void setRecHeaderSize(const std::size_t size);
 
         inline unsigned int esmVersion() const { return mHeader.mData.version.ui; }
+        inline float esmVersionF() const { return mHeader.mData.version.f; }
         inline unsigned int numRecords() const { return mHeader.mData.records; }
 
         inline bool hasFormVersion() const { return mCtx.recHeaderSize == sizeof(RecordHeader); }