rls: fix small typo, reported from Klaus in FS#11

(cherry picked from commit 47029324eb780242b5c2bda9d707bd5396dd1278)

modules_k/rls/notify.c

@@ -231,7 +231,7 @@ int agg_body_sendn_update(str* rl_uri, char* boundary_string, str* rlmi_body,
 	len+= sprintf(body.s+ len , "Content-Transfer-Encoding: binary\r\n");
 	len+= sprintf(body.s+ len , "Content-ID: <%s>\r\n", cid);	
 	len+= sprintf(body.s+ len , 
-			"Content-Type: application/rlmi+xml;charset=\"UTF-8r\"\r\n");
+			"Content-Type: application/rlmi+xml;charset=\"UTF-8\"\r\n");
 	len+= sprintf(body.s+ len, "\r\n"); /*blank line*/
 	memcpy(body.s+ len, rlmi_body->s, rlmi_body->len);
 	len+= rlmi_body->len;