fix server version detection

CMakeLists.txt

@@ -159,14 +159,14 @@ ENDIF()
 SET(PROTOCOL_VERSION 10) # we adapted new password option from PHP's mysqlnd !
 # if C/C is build as subproject inside MariaDB server tree we will
 # use the version defined by server
-IF(MYSQL_VERSION_MAJOR)
-  SET(MARIADB_CLIENT_VERSION_MAJOR ${MYSQL_VERSION_MAJOR})
-  SET(MARIADB_CLIENT_VERSION_MINOR ${MYSQL_VERSION_MINOR})
-  SET(MARIADB_CLIENT_VERSION_PATCH ${MYSQL_VERSION_PATCH})
+IF(MAJOR_VERSION)
+  SET(MARIADB_CLIENT_VERSION_MAJOR ${MAJOR_VERSION})
+  SET(MARIADB_CLIENT_VERSION_MINOR ${MINOR_VERSION})
+  SET(MARIADB_CLIENT_VERSION_PATCH ${PATCH_VERSION})
 ELSE()
   SET(MARIADB_CLIENT_VERSION_MAJOR "10")
   SET(MARIADB_CLIENT_VERSION_MINOR "2")
-  SET(MARIADB_CLIENT_VERSION_PATCH "5")
+  SET(MARIADB_CLIENT_VERSION_PATCH "6")
 ENDIF()
 SET(MARIADB_CLIENT_VERSION "${MARIADB_CLIENT_VERSION_MAJOR}.${MARIADB_CLIENT_VERSION_MINOR}.${MARIADB_CLIENT_VERSION_PATCH}")
 MATH(EXPR MARIADB_VERSION_ID "${MARIADB_CLIENT_VERSION_MAJOR} * 10000 +