package/dovecot/Config.in: source argument needs quotation marks
Fixes the following error/warnings with kconfig from linux-6.9-rc5:
package/dovecot/Config.in:36: syntax error
package/dovecot/Config.in:36:warning: ignoring unsupported character '/'
package/dovecot/Config.in:36:warning: ignoring unsupported character '/'
package/dovecot/Config.in:36:warning: ignoring unsupported character '.'
package/dovecot/Config.in:36: invalid statement
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit ff70f9ee4c7ea08471ce6aca948f5ae83e4e011d)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>