Update vk_icd.h with proper extern "C" declaration

diff --git a/include/vulkan/vk_icd.h b/include/vulkan/vk_icd.h
index 6b4007b..03411e7 100644 (file)
--- a/include/vulkan/vk_icd.h
+++ b/include/vulkan/vk_icd.h
@@ -65,13 +65,16 @@ typedef VkResult (VKAPI_PTR *PFN_vk_icdEnumerateAdapterPhysicalDevices)(VkInstan
 
 // Prototypes for loader/ICD interface
 #if !defined(VK_NO_PROTOTYPES)
-VKAPI_ATTR VkResult VKAPI_CALL vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t* pVersion);
-VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetInstanceProcAddr(VkInstance instance, const char* pName);
-VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetPhysicalDeviceProcAddr(VkInstance isntance, const char* pName);
+extern "C"
+{
+    VKAPI_ATTR VkResult VKAPI_CALL vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t* pVersion);
+    VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetInstanceProcAddr(VkInstance instance, const char* pName);
+    VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vk_icdGetPhysicalDeviceProcAddr(VkInstance isntance, const char* pName);
 #if defined(VK_USE_PLATFORM_WIN32_KHR)
-VKAPI_ATTR VkResult VKAPI_CALL vk_icdEnumerateAdapterPhysicalDevices(VkInstance instance, LUID adapterLUID,
-    uint32_t* pPhysicalDeviceCount, VkPhysicalDevice* pPhysicalDevices);
+    VKAPI_ATTR VkResult VKAPI_CALL vk_icdEnumerateAdapterPhysicalDevices(VkInstance instance, LUID adapterLUID,
+        uint32_t* pPhysicalDeviceCount, VkPhysicalDevice* pPhysicalDevices);
 #endif
+}
 #endif
 
 /*