Include stdlib.h rather than malloc.h

src/drivers/net/rtl8139.c

 
 */
 
+#include <stdint.h>
+#include <stdlib.h>
 #include <io.h>
 #include <errno.h>
 #include <vsprintf.h>
 #include <timer.h>
-#include <malloc.h>
 #include <byteswap.h>
 #include <gpxe/pci.h>
 #include <gpxe/if_ether.h>

src/hci/mucurses/slk.c

 #include <curses.h>
 #include <stddef.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <string.h>
 #include <assert.h>
 #include "mucurses.h"

src/hci/mucurses/windows.c

 #include <curses.h>
 #include <stddef.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include "mucurses.h"
 
 /** @file

src/interface/pxe/pxe_preboot.c

 
 #include <stdint.h>
 #include <string.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <gpxe/uaccess.h>
 #include <gpxe/dhcp.h>
 #include "pxe.h"

src/net/ipv4.c

 #include <string.h>
 #include <stdint.h>
+#include <stdlib.h>
 #include <errno.h>
 #include <byteswap.h>
-#include <malloc.h>
 #include <vsprintf.h>
 #include <gpxe/list.h>
 #include <gpxe/in.h>
  * @v fragbug	Fragment buffer
  */
 static void free_fragbuf ( struct frag_buffer *fragbuf ) {
-	if ( fragbuf ) {
-		free_dma ( fragbuf, sizeof ( *fragbuf ) );
-	}
+	free ( fragbuf );
 }
 
 /**

src/net/ipv6.c

 #include <stdint.h>
 #include <string.h>
 #include <stdlib.h>
-#include <malloc.h>
 #include <vsprintf.h>
 #include <byteswap.h>
 #include <gpxe/in.h>