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-rw-r--r--aclocal.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/aclocal.m4 b/aclocal.m4
index 98a5ca8..4ec84d5 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -118,7 +118,7 @@ case "$bird_cv_type_time_t" in
])
AC_DEFUN(BIRD_CHECK_STRUCT_IP_MREQN,
-[AC_CACHE_CHECK([struct ip_mreqn], bird_cv_struct_ip_mreqn,[
+[AC_CACHE_CHECK([for struct ip_mreqn], bird_cv_struct_ip_mreqn,[
AC_TRY_COMPILE([#include <netinet/in.h>
],[struct ip_mreqn x;
],[bird_cv_struct_ip_mreqn=yes