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/cpu/elf_module.cc

@@ -114,7 +114,7 @@ bool ElfModule::Load(const std::string_view name, const std::string_view path,
       // Allocate and copy into memory.
       // Base address @ 0x80000000
       if (phdr[i].p_vaddr < 0x80000000 || phdr[i].p_vaddr > 0x9FFFFFFF) {
-        XELOGE("ELF: Could not allocate memory for section @ address {:#08X}",
+        XELOGE("ELF: Could not allocate memory for section @ address 0x{:08X}",
                uint32_t(phdr[i].p_vaddr));
         return false;
       }