qbsp: replace last malloc with AllocMem

Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>

qbsp/solidbsp.c

@@ -20,7 +20,6 @@
 */
 
 #include <limits.h>
-#include <malloc.h>
 
 #include "qbsp.h"
 
@@ -609,7 +608,7 @@ LinkConvexFaces(surface_t *planelist, node_t *leafnode)
 
     // write the list of faces, and free the originals
     leaffaces += count;
-    leafnode->markfaces = malloc(sizeof(face_t *) * (count + 1)); /* FIXME */
+    leafnode->markfaces = AllocMem(OTHER, sizeof(face_t *) * (count + 1), true);
 
     i = 0;
     for (surf = planelist; surf; surf = pnext) {