m4: Remove assignment of otherwise unused variable RESOLVER_LIBS.

Found by inspection.

Signed-off-by: Ben Pfaff <blp@nicira.com>

diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index 55c48ec..e7281ad 100644 (file)
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -118,7 +118,7 @@ OpenFlow connections over SSL will not be supported.
 dnl Checks for libraries needed by lib/socket-util.c.
 AC_DEFUN([OVS_CHECK_SOCKET_LIBS],
   [AC_CHECK_LIB([socket], [connect])
-   AC_SEARCH_LIBS([gethostbyname], [resolv], [RESOLVER_LIBS=-lresolv])])
+   AC_SEARCH_LIBS([gethostbyname], [resolv])])
 
 dnl Checks for the directory in which to store the PKI.
 AC_DEFUN([OVS_CHECK_PKIDIR],