package/datatables-responsive: drop spurious space

Drop spurious space added by commit
08c11e21a7c6ed16a92b9507160f020c9b7e8c54

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/datatables-responsive/datatables-responsive.mk

@@ -6,7 +6,7 @@
 
 DATATABLES_RESPONSIVE_VERSION = 2.2.3
 DATATABLES_RESPONSIVE_SITE = https://datatables.net/releases
-DATATABLES_RESPONSIVE_SOURCE =  Responsive-$(DATATABLES_RESPONSIVE_VERSION).zip
+DATATABLES_RESPONSIVE_SOURCE = Responsive-$(DATATABLES_RESPONSIVE_VERSION).zip
 DATATABLES_RESPONSIVE_LICENSE = MIT
 DATATABLES_RESPONSIVE_LICENSE_FILES = License.txt