Fix the lib64 patch to actually work (and compile on non-64 platforms too).

screen-4.0.2-lib64.patch

@@ -1,13 +1,21 @@
---- screen-4.0.2/configure.in.lib64	2006-02-24 10:51:07.000000000 +0100
-+++ screen-4.0.2/configure.in	2006-02-24 10:51:06.000000000 +0100
-@@ -871,8 +871,8 @@
+--- screen-4.0.2/configure.in.lib64	2006-02-27 09:48:58.000000000 +0100
++++ screen-4.0.2/configure.in	2006-02-27 09:49:25.000000000 +0100
+@@ -871,8 +871,16 @@
  dnl    ****  loadav  ****
  dnl
  AC_CHECKING(for libutil(s))
 -test -f /usr/lib/libutils.a && LIBS="$LIBS -lutils"
 -test -f /usr/lib/libutil.a && LIBS="$LIBS -lutil"
-+test -f /usr/lib/libutils.a && LIBS="$LIBS -lutils" || test -f /usr/lib64/libutil.a && LIBS="$LIBS -lutil"
-+test -f /usr/lib/libutil.a && LIBS="$LIBS -lutil" || test -f /usr/lib64/libutils.a && LIBS="$LIBS -lutils"
++if test -f /usr/lib/libutils.a; then
++    LIBS="$LIBS -lutils";
++elif test -f /usr/lib64/libutils.a; then
++    LIBS="$LIBS -lutils";
++fi
++if test -f /usr/lib/libutil.a; then
++    LIBS="$LIBS -lutil";
++elif test -f /usr/lib64/libutil.a; then
++    LIBS="$LIBS -lutil"
++fi
  
  AC_CHECKING(getloadavg)
  AC_TRY_LINK(,[getloadavg((double *)0, 0);],