mysql-upgrade: fix 3000011

Quotes around literal strings disappeared at shell level, making MySQL
think they are expressions.

Changed the outer quoting to double quotes and dropped the backticks
around the table name.

misc/sql/mysql-upgrade/3000011/ip_manufacturer_lookup.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 # Enable live lookups of IP camera manufacturers (pulled from our API)
 
-echo '
-INSERT INTO `GlobalSettings` VALUES ('G_DATA_SOURCE','live');
-' | mysql -h"$host" -D"$dbname" -u"$user" -p"$password"
+echo "
+INSERT INTO GlobalSettings VALUES ('G_DATA_SOURCE','live');
+" | mysql -h"$host" -D"$dbname" -u"$user" -p"$password"
 
 exit 0