add missing source

Signed-off-by: Toshaan Bharvani <toshaan@powerel.org>

SOURCES/php-7.4.0-ldap_r.patch

@@ -0,0 +1,19 @@
+
+Use -lldap_r by default.
+
+diff -up php-7.4.0RC2/ext/ldap/config.m4.ldap_r php-7.4.0RC2/ext/ldap/config.m4
+--- php-7.4.0RC2/ext/ldap/config.m4.ldap_r	2019-09-17 10:21:24.769200812 +0200
++++ php-7.4.0RC2/ext/ldap/config.m4	2019-09-17 10:21:30.658181771 +0200
+@@ -68,7 +68,11 @@ if test "$PHP_LDAP" != "no"; then
+   dnl -pc removal is a hack for clang
+   MACHINE_INCLUDES=$($CC -dumpmachine | $SED 's/-pc//')
+ 
+-  if test -f $LDAP_LIBDIR/liblber.a || test -f $LDAP_LIBDIR/liblber.$SHLIB_SUFFIX_NAME || test -f $LDAP_LIBDIR/$MACHINE_INCLUDES/liblber.a || test -f $LDAP_LIBDIR/$MACHINE_INCLUDES/liblber.$SHLIB_SUFFIX_NAME; then
++  if test -f $LDAP_LIBDIR/libldap_r.$SHLIB_SUFFIX_NAME; then
++    PHP_ADD_LIBRARY_WITH_PATH(lber, $LDAP_LIBDIR, LDAP_SHARED_LIBADD)
++    PHP_ADD_LIBRARY_WITH_PATH(ldap_r, $LDAP_LIBDIR, LDAP_SHARED_LIBADD)
++
++  elif test -f $LDAP_LIBDIR/liblber.a || test -f $LDAP_LIBDIR/liblber.$SHLIB_SUFFIX_NAME || test -f $LDAP_LIBDIR/$MACHINE_INCLUDES/liblber.a || test -f $LDAP_LIBDIR/$MACHINE_INCLUDES/liblber.$SHLIB_SUFFIX_NAME; then
+     PHP_ADD_LIBRARY_WITH_PATH(lber, $LDAP_LIBDIR, LDAP_SHARED_LIBADD)
+     PHP_ADD_LIBRARY_WITH_PATH(ldap, $LDAP_LIBDIR, LDAP_SHARED_LIBADD)
+