upstream changed default config directory in 6.12; put this back to avoid
users having to make changes

fix nested function in AC_TRY_COMPILE

Index: configure.in
--- configure.in.orig
+++ configure.in
@@ -84,7 +84,7 @@ CFLAGS="$CFLAGS $cicapflags"
 MODULES_LIBADD="$cicaplibs"
 UTILITIES_LIBADD="$cicapliblibs"
 UTILITIES_CFLAGS="$cicaplibflags"
-CONFDIR="$cicapetc"
+CONFDIR="$sysconfdir"
 MODSDIR="$cicapmods"
 DATADIR="$cicapdatadir"
 CICAPVERSION="$cicapversion"
@@ -123,14 +123,12 @@ AC_TRY_COMPILE(
       #include <sys/un.h>
        ],
       [
-      int main(int argc, char **argv) {
              struct msghdr mh;
              struct cmsghdr cmh;
              mh.msg_control = NULL;
              mh.msg_controllen = 0;
              cmh.cmsg_level = SOL_SOCKET;
              cmh.cmsg_type = SCM_RIGHTS;
-      }
       ],
 AC_DEFINE(HAVE_FD_PASSING,1,[Define HAVE_FD_PASSING if sending fd through unix socket supported]),
 AC_MSG_RESULT(yes),