openldap: assume /dev/urandom exists

When we are cross-compiling, we want to assume
that /dev/urandom exists.  We could change the source
code to look for it, but this is the easy way out.

Upstream-Status: Inappropriate [embedded specific]

Signed-off-by: Joe Slater <jslater@windriver.com>

--- a/configure.ac
+++ b/configure.ac
@@ -2117,6 +2117,7 @@ AC_SUBST(systemdsystemunitdir)
 
 dnl ----------------------------------------------------------------
 dnl Check for entropy sources
+dev=no
 if test $cross_compiling != yes && test "$ac_cv_mingw32" != yes ; then
 	dev=no
 	if test -r /dev/urandom ; then
@@ -2131,9 +2132,11 @@ if test $cross_compiling != yes && test "$ac_cv_mingw32" != yes ; then
 		dev="/idev/random";
 	fi
 
-	if test $dev != no ; then
-		AC_DEFINE_UNQUOTED(URANDOM_DEVICE,"$dev",[set to urandom device])
-	fi
+elif test $cross_compiling == yes ; then
+       dev="/dev/urandom";
+fi
+if test $dev != no ; then
+	AC_DEFINE_UNQUOTED(URANDOM_DEVICE,"$dev",[set to urandom device])
 fi
 
 dnl ----------------------------------------------------------------