X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fpor-file-reader.c;h=3f2cdd46ec20b914b0a1c9268761e5a962985dc9;hb=cc6a060446e71cace2d828a864c85702e04aba7c;hp=b5486a4a0e3dcfa1ee795869b46a2922fe03b725;hpb=91dc088ddff7486a9d7bdc397761f6b0bcecf41c;p=pspp

diff --git a/src/data/por-file-reader.c b/src/data/por-file-reader.c
index b5486a4a0e..3f2cdd46ec 100644
--- a/src/data/por-file-reader.c
+++ b/src/data/por-file-reader.c
@@ -79,7 +79,7 @@ struct pfm_reader
     bool ok;                    /* Set false on I/O error. */
   };
 
-static struct casereader_class por_file_casereader_class;
+static const struct casereader_class por_file_casereader_class;
 
 static void
 error (struct pfm_reader *r, const char *msg,...)
@@ -894,7 +894,7 @@ pfm_detect (FILE *file)
   return true;
 }
 
-static struct casereader_class por_file_casereader_class =
+static const struct casereader_class por_file_casereader_class =
   {
     por_file_casereader_read,
     por_file_casereader_destroy,