math: Fix UB in ldbl-96 sinl

diff --git a/sysdeps/ieee754/ldbl-96/k_sinl.c b/sysdeps/ieee754/ldbl-96/k_sinl.c
index ee212ba1206bc417134008b10435ec0f404ba6c2..26d75687ce3669b39b9f15251d1db22960e0ac24 100644 (file)
--- a/sysdeps/ieee754/ldbl-96/k_sinl.c
+++ b/sysdeps/ieee754/ldbl-96/k_sinl.c
@@ -87,7 +87,7 @@ long double
 __kernel_sinl(long double x, long double y, int iy)
 {
   long double absx, h, l, z, sin_l, cos_l_m1;
-  int index;
+  unsigned int index;
 
   absx = fabsl (x);
   if (absx < 0.1484375L)