remove another invalid skip of locking in ungetwc

[oweals/musl.git] / src / math / j0f.c

diff --git a/src/math/j0f.c b/src/math/j0f.c
index 4b0ee3b712e818d95240d74e58b66099ee643fd6..45883dc419e9816bbd0ce31af33619484032ee86 100644 (file)
--- a/src/math/j0f.c
+++ b/src/math/j0f.c
@@ -13,6 +13,7 @@
  * ====================================================
  */
 
+#define _GNU_SOURCE
 #include "libm.h"
 
 static float pzerof(float), qzerof(float);