Avoid using '#' format spec for X hex numbers.

Avoid using '#' format spec for X (uppercase) hex numbers, as it
results in output like "0XABCDEF" instead of "0xABCDEF".

src/xenia/ui/vk/transient_objects.cc

@@ -94,7 +94,7 @@ bool UploadBufferChain::EnsureCurrentBufferAllocated() {
                      &upload_buffer.buffer) != VK_SUCCESS) {
     XELOGE(
         "Failed to create a Vulkan upload buffer with {} x {} bytes and "
-        "{:#08X} usage",
+        "0x{:08X} usage",
         buffer_create_info.size, VulkanContext::kQueuedFrames,
         static_cast<uint32_t>(usage_flags_));
     buffer_creation_failed_ = true;
@@ -112,7 +112,7 @@ bool UploadBufferChain::EnsureCurrentBufferAllocated() {
     if (memory_type_ == UINT32_MAX) {
       XELOGE(
           "Failed to find a memory type for an upload buffer with {} bytes "
-          "and {:#08X} usage",
+          "and 0x{:08X} usage",
           buffer_memory_requirements.size, usage_flags_);
       vkDestroyBuffer(device, upload_buffer.buffer, nullptr);
       buffer_creation_failed_ = true;

src/xenia/ui/window_win.cc

@@ -66,7 +66,7 @@ bool Win32Window::OnCreate() {
       auto spda = (decltype(&SetProcessDpiAwareness))SetProcessDpiAwareness_;
       auto res = spda(PROCESS_PER_MONITOR_DPI_AWARE);
       if (res != S_OK) {
-        XELOGW("Failed to set process DPI awareness. (code = {:#08X})", res);
+        XELOGW("Failed to set process DPI awareness. (code = 0x{:08X})", res);
       }
     }