enlightenment_info: add argument count checking of dump_buffers
enlightenment_info: add argument count checking of dump_buffers

Change-Id: Ie613dc3a1df3dac5986b6acf77e40dff754d8f31
Signed-off-by: Junkyeong Kim <25f86eddba88d0d277b9df92377b191658c03a80@samsung.com>

tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment