Fix version revision formatting in glTF metadata

code/glTF/glTFExporter.cpp

@@ -869,7 +869,7 @@ void glTFExporter::ExportMetadata()
     asset.version = "1.0";
 
     char buffer[256];
-    ai_snprintf(buffer, 256, "Open Asset Import Library (assimp v%d.%d.%d)",
+    ai_snprintf(buffer, 256, "Open Asset Import Library (assimp v%d.%d.%x)",
         aiGetVersionMajor(), aiGetVersionMinor(), aiGetVersionRevision());
 
     asset.generator = buffer;

code/glTF2/glTF2Exporter.cpp

@@ -991,7 +991,7 @@ void glTF2Exporter::ExportMetadata()
     asset.version = "2.0";
 
     char buffer[256];
-    ai_snprintf(buffer, 256, "Open Asset Import Library (assimp v%d.%d.%d)",
+    ai_snprintf(buffer, 256, "Open Asset Import Library (assimp v%d.%d.%x)",
         aiGetVersionMajor(), aiGetVersionMinor(), aiGetVersionRevision());
 
     asset.generator = buffer;