[interchange] Fix undeclared subs warnings

commit a2c2e856ffc9dcee86dd2950cf51dfe0a24165f9
Author: David Christensen <[email protected]>
Date:   Thu Jun 22 13:22:27 2017 -0500

    Fix undeclared subs warnings

 lib/Vend/Table/LDAP.pm |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/lib/Vend/Table/LDAP.pm b/lib/Vend/Table/LDAP.pm
index d32be4e..2c9116c 100644
--- a/lib/Vend/Table/LDAP.pm
+++ b/lib/Vend/Table/LDAP.pm
@@ -639,10 +639,12 @@ eval {
 
 	my $search;
 	if ("\L$opt->{st}" eq 'db' ) {
+        require Vend::DbSearch;
 		$search = new Vend::DbSearch;
 #::logDebug("created DbSearch object: " . ::uneval($search));
 	}
 	else {
+        require Vend::TextSearch;
 		$search = new Vend::TextSearch;
 #::logDebug("created TextSearch object: " . ::uneval($search));
 	}