[PATCH 3/3] dev-libs/check-0.14.0-r1: Streamline subunit-check

Make the if-expression of the subunit check more readable.

--- a/dev-libs/check/check-0.14.0-r1.ebuild
+++ b/dev-libs/check/check-0.14.0-r1.ebuild
@@ -27,7 +27,7 @@ PATCHES=( "${FILESDIR}/check-0.14.0-r1-disable-automagic-dep.patch" )
 multilib_src_configure() {
 	local mycmakeargs=(
 		-DBUILD_TESTING=$(usex test ON OFF)
-		-DCHECK_ENABLE_SUBUNIT=$(usex subunit 1 0)
+		-DCHECK_ENABLE_SUBUNIT=$(usex subunit ON OFF)
 	)
 
 	cmake_src_configure
--- a/dev-libs/check/files/check-0.14.0-r1-disable-automagic-dep.patch
+++ b/dev-libs/check/files/check-0.14.0-r1-disable-automagic-dep.patch
@@ -7,17 +7,17 @@
 -check_library_exists(subunit subunit_test_start "" HAVE_SUBUNIT)
 -if (HAVE_SUBUNIT)
 +option(CHECK_ENABLE_SUBUNIT "Enable subunit support" ON)
-+if (CHECK_ENABLE_SUBUNIT EQUAL 1)
++if (CHECK_ENABLE_SUBUNIT)
    set(SUBUNIT "subunit")
    set(ENABLE_SUBUNIT 1)
 +  set(HAVE_SUBUNIT 1)
    add_definitions(-DENABLE_SUBUNIT=1)
 -else(HAVE_SUBUNIT)
-+else(CHECK_ENABLE_SUBUNIT EQUAL 1)
++else(CHECK_ENABLE_SUBUNIT)
    set(ENABLE_SUBUNIT 0)
    add_definitions(-DENABLE_SUBUNIT=0)
 -endif (HAVE_SUBUNIT)
-+endif (CHECK_ENABLE_SUBUNIT EQUAL 1)
++endif (CHECK_ENABLE_SUBUNIT)
 
  ###############################################################################
  # Generate "config.h" from "cmake/config.h.in"