mktime: fix configure typo

[gnulib.git] / m4 / mktime.m4

diff --git a/m4/mktime.m4 b/m4/mktime.m4
index ab612ab..faefb77 100644 (file)
--- a/m4/mktime.m4
+++ b/m4/mktime.m4
@@ -34,7 +34,7 @@ AC_DEFUN([gl_FUNC_MKTIME],
 # include <unistd.h>
 #endif
 
-#ifndef HAVE_DECL_ALARM
+#if HAVE_DECL_ALARM
 # include <signal.h>
 #endif