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-rw-r--r--gl/lib/randperm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gl/lib/randperm.c b/gl/lib/randperm.c
index 26181b8a6..362316e23 100644
--- a/gl/lib/randperm.c
+++ b/gl/lib/randperm.c
@@ -30,7 +30,7 @@
/* Return the ceiling of the log base 2 of N. If N is zero, return
an unspecified value. */
-static size_t
+static size_t _GL_ATTRIBUTE_CONST
ceil_lg (size_t n)
{
size_t b = 0;