Fix FAT driver issues (FAT32 while being under 32MiB), liballoc alignment so SSE doesnt break

liballoc/liballoc.c

@@ -217,6 +217,8 @@ static struct boundary_tag* allocate_new_tag (unsigned int size) {
 }
 
 void* malloc (size_t size) {
+  size = (size + 15) & ~15;
+
   int index;
   void* ptr;
   struct boundary_tag* tag = NULL;

liballoc/liballoc.h

@@ -41,7 +41,7 @@ struct boundary_tag {
 
   struct boundary_tag* next; //< Linked list info.
   struct boundary_tag* prev; //< Linked list info.
-};
+} __attribute__ ((aligned (16)));
 
 /** This function is supposed to lock the memory data structures. It
  * could be as simple as disabling interrupts or acquiring a spinlock.