fix: made wait_map_without_lock scoped local

Author: Hritik Gupta

core/iwasm/common/wasm_shared_memory.c

@@ -32,7 +32,6 @@ typedef struct AtomicWaitNode {
 
 /* Atomic wait map */
 static HashMap *wait_map;
-static HashMap *wait_map_without_lock;
 
 static uint32
 wait_address_hash(void *address);
@@ -107,6 +106,7 @@ void
 notify_stale_threads_on_exception(WASMModuleInstanceCommon *module_inst)
 {
 
+    static HashMap *wait_map_without_lock;
     wait_map_without_lock = bh_hash_map_create(
         32, false, (HashFunc)wait_address_hash,
         (KeyEqualFunc)wait_address_equal, NULL, destroy_wait_info);