Term Meta: Prevent a "Multiple primary key defined" error during database upgrades.

You must have two spaces between the words `PRIMARY KEY` and the definition of your primary key. Yes, seriously.

See [34529].
Fixes #34210.
Built from https://develop.svn.wordpress.org/trunk@34936


git-svn-id: http://core.svn.wordpress.org/trunk@34901 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/schema.php

@@ -62,7 +62,7 @@ function wp_get_db_schema( $scope = 'all', $blog_id = null ) {
   term_id bigint(20) unsigned NOT NULL default '0',
   meta_key varchar(255) default NULL,
   meta_value longtext,
-  PRIMARY KEY (meta_id),
+  PRIMARY KEY  (meta_id),
   KEY term_id (term_id),
   KEY meta_key (meta_key($max_index_length))
 ) $charset_collate;

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34935';
+$wp_version = '4.4-alpha-34936';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.