removed unused stdlib includes

src/core/lib/encrypter.c

@@ -19,7 +19,6 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #include <why2/encrypter.h>
 
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <sys/time.h>
 

src/core/lib/flags.c

@@ -18,8 +18,6 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #include <why2/flags.h>
 
-#include <stdlib.h>
-
 #include <why2/memory.h>
 
 //CONSTS (this is just local)

src/logger/lib/logger.c

@@ -19,7 +19,6 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #include <why2/logger/logger.h>
 
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
 #include <unistd.h>

src/logger/lib/utils.c

@@ -19,7 +19,6 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #include <why2/logger/utils.h>
 
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>