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-rw-r--r--lib/count-trailing-zeros.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/count-trailing-zeros.h b/lib/count-trailing-zeros.h
index 3f78696e30f..7988e4bff44 100644
--- a/lib/count-trailing-zeros.h
+++ b/lib/count-trailing-zeros.h
@@ -69,7 +69,7 @@ COUNT_TRAILING_ZEROS_INLINE int
count_trailing_zeros_32 (unsigned int x)
{
/* <https://github.com/gibsjose/BitHacks>
- <http://www.fit.vutbr.cz/~ibarina/pub/bithacks.pdf> */
+ <https://www.fit.vutbr.cz/~ibarina/pub/bithacks.pdf> */
static const char de_Bruijn_lookup[32] = {
0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17, 4, 8,
31, 27, 13, 23, 21, 19, 16, 7, 26, 12, 18, 6, 11, 5, 10, 9