regtest: get the configure.ac check for timer_delete correct

diff --git a/configure.ac b/configure.ac
index 2a95597aae87b2d75942c2f9a1b6b87f6f126d74..9dec9f3b00f64c09f7a50c4f356a8047f8e9b8b7 100755 (executable)
--- a/configure.ac
+++ b/configure.ac
@@ -4956,7 +4956,8 @@ AC_CHECK_FUNCS([     \
         sem_clockwait_np \
         fdatasync    \
         getrandom    \
-        getrlimitusage
+        getrlimitusage \
+        timer_delete
         ])
 
 # AC_CHECK_LIB adds any library found to the variable LIBS, and links these