Drop malloc.h include

malloc.h is deprecated (and including it fails to compile on some systems). stdlib.h is enough for malloc()

Author: AMDmi3

tetris.c

@@ -20,7 +20,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <malloc.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>