disp: msm: dsi: terminate buffer with NULL character

Change terminates the copied buffer with a null character.

Change-Id: I18d6b3ca861058a242bde399f631771d3a48eddd
Signed-off-by: Satya Rama Aditya Pinapala <psraditya30@codeaurora.org>

msm/dsi/dsi_parser.c

@@ -925,6 +925,7 @@ void *dsi_parser_get_head_node(void *in,
 	buf = parser->buf;
 
 	memcpy(buf, data, size);
+	buf[size] = '\0';
 
 	strreplace(buf, '\n', ' ');
 	strreplace(buf, '\t', '*');