Trivial print out change
An error message now contains a command that we can copy-paste directly to powershell
vcpkg update   =>      .\\vcpkg update
Adding two slashes to escape the output
MODIFY
src/commands_build.cpp
src/commands_build.cpp
@@ -49,7 +49,7 @@ namespace vcpkg::Commands::Build
if (return_code != 0)
{
System::println(System::color::error, "Error: building package %s failed", spec.toString());
- System::println("Please ensure sure you're using the latest portfiles with `vcpkg update`, then\n"
+ System::println("Please ensure sure you're using the latest portfiles with `.\\vcpkg update`, then\n"
"submit an issue at https://github.com/Microsoft/vcpkg/issues including:\n"
" Package: %s\n"
" Vcpkg version: %s\n"

Trivial print out change

- An error message now contains a command that we can copy-paste directly to powershell
  vcpkg update   =>      .\\vcpkg update
  Adding two slashes to escape the output