configure: fix HAVE_CLOCK_MONOTONIC spelling

diff --git a/configure.ac b/configure.ac
index 296132c3b03aaa57e84d4862c25cb22d8eb60862..634d635949e6ea6ba1b3b39b47f514f38ac960dc 100755 (executable)
--- a/configure.ac
+++ b/configure.ac
@@ -1356,7 +1356,7 @@ dnl checking for clock_time monotonic struct and call
 dnl --------------------------------------
 AC_CHECK_DECL(CLOCK_MONOTONIC,
        [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
-        AC_DEFINE(HAVE_MONOTONIC_CLOCK,, Have monotonic clock)
+        AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
 ], [AC_MSG_RESULT(no)], [QUAGGA_INCLUDES])
 
 dnl -------------------