core: mem - qm malloc optimization factor increased to 15

src/core/mem/q_malloc.h

@@ -46,7 +46,7 @@
 
 #define MIN_FRAG_SIZE ROUNDTO
 
-#define QM_MALLOC_OPTIMIZE_FACTOR 14UL /*used below */
+#define QM_MALLOC_OPTIMIZE_FACTOR 15UL /*used below */
 /* size to optimize for, (most allocs <= this size), must be 2^k */
 #define QM_MALLOC_OPTIMIZE ((unsigned long)(1UL << QM_MALLOC_OPTIMIZE_FACTOR))