Fix tab/spaces indentation in Makefile.am
Fix tab/spaces indentation in Makefile.am

At some places a few items of lists use 8 spaces, while we use tabs
everywhere (as makefiles require anyway). This patch unifies the
indentation.

Signed-off-by: Petr Pudlak <9d19625f8ee825a2c398462ed335cbcf98f79c32@google.com>
Reviewed-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>

leshchevds/ganeti,andir/ganeti,grnet/snf-ganeti,bitemyapp/ganeti,bitemyapp/ganeti,ganeti-github-testing/ganeti-test-1,onponomarev/ganeti,ganeti/ganeti,grnet/snf-ganeti,onponomarev/ganeti,yiannist/ganeti,mbakke/ganeti,leshchevds/ganeti,mbakke/ganeti,dimara/ganeti,ganeti/ganeti,leshchevds/ganeti,apyrgio/ganeti,andir/ganeti,yiannist/ganeti,mbakke/ganeti,ganeti/ganeti,apyrgio/ganeti,andir/ganeti,yiannist/ganeti,dimara/ganeti,ganeti-github-testing/ganeti-test-1