PATCH-P1-FIX-HACK: Allow more case-insensitive values for 'WITH_SYSTEMD'

Remove 'IF(WITH_SYSTEMD STREQUAL "yes")' and use 'IF(WITH_SYSTEMD)'
expression in order to allow more case-insensitive values to be used
here (1, ON, YES, TRUE or Y).

Maintainer: Kristyna Streitova <kstreitova@suse.cz>

Index: mariadb-10.2.9/cmake/systemd.cmake
===================================================================
--- mariadb-10.2.9.orig/cmake/systemd.cmake
+++ mariadb-10.2.9/cmake/systemd.cmake
@@ -18,9 +18,9 @@ MACRO(CHECK_SYSTEMD)
     INCLUDE(FindPkgConfig)
     # http://www.cmake.org/cmake/help/v3.0/module/FindPkgConfig.html
     SET(WITH_SYSTEMD "auto" CACHE STRING "Enable systemd scripts and notification support")
-    IF(WITH_SYSTEMD STREQUAL "yes" OR WITH_SYSTEMD STREQUAL "auto")
+    IF(WITH_SYSTEMD OR WITH_SYSTEMD STREQUAL "auto")
       IF(PKG_CONFIG_FOUND)
-        IF(WITH_SYSTEMD STREQUAL "yes")
+        IF(WITH_SYSTEMD)
           pkg_search_module(LIBSYSTEMD REQUIRED libsystemd libsystemd-daemon)
         ELSE()
           pkg_search_module(LIBSYSTEMD libsystemd libsystemd-daemon)
@@ -68,7 +68,7 @@ MACRO(CHECK_SYSTEMD)
         UNSET(HAVE_SYSTEMD_SD_NOTIFY)
         UNSET(HAVE_SYSTEMD_SD_NOTIFYF)
         MESSAGE_ONCE(systemd "Systemd features not enabled")
-        IF(WITH_SYSTEMD STREQUAL "yes")
+        IF(WITH_SYSTEMD )
           MESSAGE(FATAL_ERROR "Requested WITH_SYSTEMD=yes however no dependencies installed/found")
         ENDIF()
       ENDIF()