configure.ac: Fix detection of the freewheel generator

This has been broken since the `configure.ac' script was introduced in
commit ba6e6b64033b1f9de49feccb5c9cd438354481f7.

diff --git a/configure.ac b/configure.ac
index 2b77ab46f3770f008d41028e959c8c5a8a2b7597..acee1b52be80ce0eb226876bcdb13de21eafde01 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -136,7 +136,7 @@ AC_CACHE_CHECK([whether the freewheel noise generator will work],
 [struct itimerval itv = { { 0, 0 }, { 0, 5000 } };
 jmp_buf j;
 setitimer(ITIMER_REAL, &itv, 0);
-sigsetjump(j, 1);],
+sigsetjmp(j, 1);],
 [catacomb_cv_freewheel=yes],
 [catacomb_cv_freewheel=no])])
 case $catacomb_cv_freewheel in