package/python-dicttoxml2: fix hash file formatting

package/python-dicttoxml2/python-dicttoxml2.hash:5: separation does not match expectation (http://nightly.buildroot.org/#adding-packages-hash)

Fixes:

  https://gitlab.com/buildroot.org/buildroot/-/jobs/3378478031/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/python-dicttoxml2/python-dicttoxml2.hash

@@ -2,4 +2,4 @@
 md5  787ea4b80cd6234a41c016e8efa7ff40  dicttoxml2-2.1.0.tar.gz
 sha256  67cb729f337dd752808c021b70c8df8a34f84b9e111a5dbaa37e000eeaf4d462  dicttoxml2-2.1.0.tar.gz
 # Locally computed
-sha256 4514114bd9da0b2fbf8c4fa264c0e6cc80fd41e6ac7f09d7a39a215662951c7c  LICENCE.txt
+sha256  4514114bd9da0b2fbf8c4fa264c0e6cc80fd41e6ac7f09d7a39a215662951c7c  LICENCE.txt