Add '-DWITH_JEMALLOC=OFF' to cmake options if debian 10 (buster) and MariaDB.

DOC/README.error.mariadb

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+
+# Configuration error (cmake) on debian 10 (buster):
+#
+#    -- Performing Test JEMALLOC_OK - Failed
+#    CMake Error at storage/tokudb/CMakeLists.txt:63 (MESSAGE):
+#      static jemalloc_pic.a can only be used up to jemalloc 4
+#
+#
+# To fix this error add '-DWITH_JEMALLOC=OFF' to cmake options:
+#
+#   cmake ..
+#      -DBUILD_CONFIG=mysql_release
+#      -DCMAKE_INSTALL_PREFIX=$MYSQL_INSTALL_DIR
+#      <...>
+#      -DWITH_JEMALLOC=OFF
+