Merge pull request rapid7#20848 from msutovsky-r7/fix/lib/exe/x64_to_executable_fix

Fixes typo in generating X64 PE file

Author: dledda-r7

lib/msf/util/exe.rb

@@ -110,7 +110,7 @@ def self.to_executable(framework, arch, plat, code = '', opts = {})
 
         if plat.index(Msf::Module::Platform::Windows)
           return to_win32pe(framework, code, opts)  if arch.index(ARCH_X86)
-          return to_win64pe(framework, code, opts)  if arch.index(ARCH_X86)
+          return to_win64pe(framework, code, opts)  if arch.index(ARCH_X64)
         elsif plat.index(Msf::Module::Platform::Linux)
           return to_linux_armle_elf(framework, code, opts)     if arch.index(ARCH_ARMLE)
           return to_linux_armbe_elf(framework, code, opts)     if arch.index(ARCH_ARMBE)