Add UMF_NUMA_FLAGS_DEFAULT

to be consistent with umf_pool_create_flag_t (having
a value for flags == 0)

Author: igchor

include/umf/providers/provider_os_memory.h

@@ -42,6 +42,7 @@ typedef enum umf_numa_mode_t {
 } umf_numa_mode_t;
 
 typedef enum umf_numa_flags_t {
+    UMF_NUMA_FLAGS_DEFAULT,
     UMF_NUMA_FLAGS_STRICT = (1 << 0),
 
     UMF_NUMA_FLAGS_MAX // must be the last one