1 files changed, 1 insertions, 1 deletions
diff --git a/fileset.c b/fileset.c
index 4112fdb75d..66f28a6a0b 100644
--- a/fileset.c
+++ b/fileset.c
@@ -125,7 +125,7 @@ fileset_filename_match_pattern(const char *fname)
 
 /* test, if both files could be in the same file set */
 /* (the filenames must already be in correct shape) */
-gboolean
+static gboolean
 fileset_is_file_in_set(const char *fname1, const char *fname2)
 {
     char        *pfx1;