Convert URLs from http to https where possible

Prevents network attackers from manipulating traffic.

Suggested-by: check-all-the-things

README.md

@@ -3,7 +3,7 @@
 
 This application uses Linux network namespaces to perform network traces of a single application. The traces are saved as pcap files. And can later be analyzed by for instance Wireshark.
 
-The nsntrace application is heavily inspired by the askbubuntu reply [here](http://askubuntu.com/a/499850).
+The nsntrace application is heavily inspired by the askbubuntu reply [here](https://askubuntu.com/a/499850).
 And uses the same approach only confined to a single C program.
 
 What the application does is use the clone syscall to create a new

src/capture.c

@@ -10,7 +10,7 @@
  * for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with nsntraces; if not, see <http://www.gnu.org/licenses/>.
+ * with nsntraces; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #include <pcap.h>

src/capture.h

@@ -10,7 +10,7 @@
  * for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with nsntraces; if not, see <http://www.gnu.org/licenses/>.
+ * with nsntraces; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef _NSNTRACE_CAPTURE_H_

src/cmd.c

@@ -10,7 +10,7 @@
  * for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with nsntraces; if not, see <http://www.gnu.org/licenses/>.
+ * with nsntraces; if not, see <https://www.gnu.org/licenses/>.
  *
  */
 

src/cmd.h

@@ -10,7 +10,7 @@
  * for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with nsntraces; if not, see <http://www.gnu.org/licenses/>.
+ * with nsntraces; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef _NSNTRACE_CMD_H_

src/net.c

@@ -10,7 +10,7 @@
  * for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with nsntraces; if not, see <http://www.gnu.org/licenses/>.
+ * with nsntraces; if not, see <https://www.gnu.org/licenses/>.
  *
  */
 

src/net.h

@@ -10,7 +10,7 @@
  * for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with nsntraces; if not, see <http://www.gnu.org/licenses/>.
+ * with nsntraces; if not, see <https://www.gnu.org/licenses/>.
  */
 
 #ifndef _NSNTRACE_NET_H_

src/nsntrace.c

@@ -10,7 +10,7 @@
  * for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with nsntraces; if not, see <http://www.gnu.org/licenses/>.
+ * with nsntraces; if not, see <https://www.gnu.org/licenses/>.
  *
  */
 #define _GNU_SOURCE