Fix variable names in res_search check.

configure

@@ -2800,7 +2800,7 @@ else
   echo "$ac_t""no" 1>&6
 fi
 
-	if test "$ac_cv_libac_cv_lib_bind_res_search" = "yes" ; then
+	if test "$ac_cv_lib_bind_res_search" = "yes" ; then
 		cat >> confdefs.h <<\EOF
 #define HAVE_RES_SEARCH 1
 EOF
@@ -2853,7 +2853,7 @@ else
   echo "$ac_t""no" 1>&6
 fi
 
-		if test "$ac_cv_libac_cv_lib_resolv_res_search" = "yes" ; then
+		if test "$ac_cv_lib_resolv_res_search" = "yes" ; then
 			cat >> confdefs.h <<\EOF
 #define HAVE_RES_SEARCH 1
 EOF

configure.in

@@ -277,11 +277,11 @@ dnl Check for resolver routines
 AC_CHECK_FUNCS(res_search)
 if test $ac_cv_func_res_search = "no" ; then 
 	AC_CHECK_LIB(bind, res_search)
-	if test "$ac_cv_libac_cv_lib_bind_res_search" = "yes" ; then
+	if test "$ac_cv_lib_bind_res_search" = "yes" ; then
 		AC_DEFINE(HAVE_RES_SEARCH,1)
 	else
 		AC_CHECK_LIB(resolv, res_search)
-		if test "$ac_cv_libac_cv_lib_resolv_res_search" = "yes" ; then
+		if test "$ac_cv_lib_resolv_res_search" = "yes" ; then
 			AC_DEFINE(HAVE_RES_SEARCH,1)
 		fi
 	fi