winevulkan: Use vk_unix_call in loader.c.

dlls/winevulkan/loader.c

@@ -242,7 +242,7 @@ VkResult WINAPI vkCreateInstance(const VkInstanceCreateInfo *create_info,
     params.pCreateInfo = create_info;
     params.pAllocator = allocator;
     params.pInstance = instance;
-    return unix_funcs->p_vk_call(unix_vkCreateInstance, &params);
+    return vk_unix_call(unix_vkCreateInstance, &params);
 }
 
 VkResult WINAPI vkEnumerateInstanceExtensionProperties(const char *layer_name,
@@ -267,7 +267,7 @@ VkResult WINAPI vkEnumerateInstanceExtensionProperties(const char *layer_name,
     params.pLayerName = layer_name;
     params.pPropertyCount = count;
     params.pProperties = properties;
-    return unix_funcs->p_vk_call(unix_vkEnumerateInstanceExtensionProperties, &params);
+    return vk_unix_call(unix_vkEnumerateInstanceExtensionProperties, &params);
 }
 
 VkResult WINAPI vkEnumerateInstanceVersion(uint32_t *version)
@@ -283,7 +283,7 @@ VkResult WINAPI vkEnumerateInstanceVersion(uint32_t *version)
     }
 
     params.pApiVersion = version;
-    return unix_funcs->p_vk_call(unix_vkEnumerateInstanceVersion, &params);
+    return vk_unix_call(unix_vkEnumerateInstanceVersion, &params);
 }
 
 static HANDLE get_display_device_init_mutex(void)