dev-libs/gmime: default enable USE=vala

mail-client/geary needs this and we default enable these on first consumer
needs

Package-Manager: Portage-2.3.84, Repoman-2.3.20
Signed-off-by: Mart Raudsepp <[email protected]>

Author: leio

dev-libs/gmime/gmime-3.2.7.ebuild

@@ -12,7 +12,7 @@ HOMEPAGE="http://spruce.sourceforge.net/gmime/ https://developer.gnome.org/gmime
 SLOT="3.0"
 LICENSE="LGPL-2.1+"
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos ~x64-solaris ~x86-solaris"
-IUSE="crypt doc idn static-libs test vala"
+IUSE="crypt doc idn static-libs test +vala"
 RESTRICT="!test? ( test )"
 
 RDEPEND="