Assign a default value to theme_default if not set.

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@3297 7612ce4b-ef26-0410-bec9-ea0150e637f0

diff --git a/config/conf.pl b/config/conf.pl
index a25019b2a0ed9b819deced86bf60480a316ae7da..7bccee19541b3aed2e6ca5fe3fa50c791add5359 100755 (executable)
--- a/config/conf.pl
+++ b/config/conf.pl
@@ -2417,6 +2417,7 @@ sub save_data {
 
        # strings
         print CF "\$theme_css = '$theme_css';\n";
+       if ( $theme_default eq '' ) { $theme_default = '0'; }
         print CF "\$theme_default = $theme_default;\n";
 
         for ( $count = 0 ; $count <= $#theme_name ; $count++ ) {