Backends: Vulkan: Amends, fix miscast on 32-bit systems with the right ImTextureID=ImU64. (#914)

backends/imgui_impl_vulkan.cpp

@@ -543,14 +543,12 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
 
                 // Bind DescriptorSet with font or user texture
                 VkDescriptorSet desc_set[1] = { (VkDescriptorSet)pcmd->TextureId };
-                #if UINTPTR_MAX == 0xffffffff
                 if (sizeof(ImTextureID) < sizeof(ImU64))
                 {
                     // We don't support texture switches if ImTextureID hasn't been redefined to be 64-bit. Do a flaky check that other textures haven't been used.
                     IM_ASSERT(pcmd->TextureId == (ImTextureID)bd->FontDescriptorSet);
                     desc_set[0] = bd->FontDescriptorSet;
                 }
-                #endif
                 vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, bd->PipelineLayout, 0, 1, desc_set, 0, NULL);
 
                 // Draw
@@ -708,7 +706,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
     }
 
     // Store our identifier
-    io.Fonts->SetTexID((ImTextureID)(intptr_t)bd->FontDescriptorSet);
+    io.Fonts->SetTexID((ImTextureID)bd->FontDescriptorSet);
 
     return true;
 }