fix compiler warning

Expander · Expander · commit 90eeedfd3b49 · 2023-09-09T16:38:25.000+02:00
diff --git a/test/alt/koelbig/koelbig.c b/test/alt/koelbig/koelbig.c
@@ -129,7 +129,7 @@ long double clausen_2l_koelbig(long double x)
       0.0000000000000000000000000000000000503L,
       0.0000000000000000000000000000000000007L
    };
-   const double B[30] = {
+   const long double B[30] = {
       0.6390970888572653413071869135953864197L,
      -0.0549805693018517156397035696498958507L,
      -0.0009612619459506064293859076874070709L,
