minor updates

exam1/execve-stack.nasm

@@ -2,12 +2,12 @@
 ;    it under the terms of the GNU General Public License as published by
 ;    the Free Software Foundation, either version 3 of the License, or
 ;    (at your option) any later version.
-
+;
 ;    This program is distributed in the hope that it will be useful,
 ;    but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ;    GNU General Public License for more details.
-
+;
 ;    You should have received a copy of the GNU General Public License
 ;    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 

exam1/shell_bind_tcp.nasm

@@ -2,12 +2,12 @@
 ;    it under the terms of the GNU General Public License as published by
 ;    the Free Software Foundation, either version 3 of the License, or
 ;    (at your option) any later version.
-
+;
 ;    This program is distributed in the hope that it will be useful,
 ;    but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ;    GNU General Public License for more details.
-
+;
 ;    You should have received a copy of the GNU General Public License
 ;    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 

exam1/shell_bind_tcp_smaller.nasm

@@ -2,12 +2,12 @@
 ;    it under the terms of the GNU General Public License as published by
 ;    the Free Software Foundation, either version 3 of the License, or
 ;    (at your option) any later version.
-
+;
 ;    This program is distributed in the hope that it will be useful,
 ;    but WITHOUT ANY WARRANTY; without even the implied warranty of
 ;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ;    GNU General Public License for more details.
-
+;
 ;    You should have received a copy of the GNU General Public License
 ;    along with this program.  If not, see <http://www.gnu.org/licenses/>.