X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbook.cpp;h=1e4c9cc088aa277f998e70889cc285e8da3e20ab;hp=d825477f6ab9bbb82d909f4568ba9272fc430e90;hb=14dbeb22dd04f0954322a58c26833506fb4532a9;hpb=84870690583ddbdf0a9bd51dd5d5f821b0fadb63

diff --git a/src/book.cpp b/src/book.cpp
index d825477f..1e4c9cc0 100644
--- a/src/book.cpp
+++ b/src/book.cpp
@@ -390,7 +390,7 @@ void Book::close() {
 /// Book::file_name() returns the file name of the currently active book,
 /// or the empty string if no book is open.
 
-const string Book::file_name() const {
+const string Book::file_name() { // Not const to compile on HP-UX 11.X
 
   return is_open() ? fileName : "";
 }