Fix build of monad-native
Fix build of monad-native

Moved recursive make into phony target. This is okay because the called
make does not rebuild things. The calling make no longer flails about
when trying to make the three monad-native targets.

PaulHigin/PowerShell,jsoref/PowerShell,JamesWTruher/PowerShell-1,bmanikm/PowerShell,KarolKaczmarek/PowerShell,PaulHigin/PowerShell,JamesWTruher/PowerShell-1,TravisEz13/PowerShell,jsoref/PowerShell,daxian-dbw/PowerShell,kmosher/PowerShell,TravisEz13/PowerShell,daxian-dbw/PowerShell,kmosher/PowerShell,jsoref/PowerShell,KarolKaczmarek/PowerShell,bmanikm/PowerShell,kmosher/PowerShell,PaulHigin/PowerShell,KarolKaczmarek/PowerShell,JamesWTruher/PowerShell-1,daxian-dbw/PowerShell,bingbing8/PowerShell,JamesWTruher/PowerShell-1,bingbing8/PowerShell,jsoref/PowerShell,jsoref/PowerShell,PaulHigin/PowerShell,bmanikm/PowerShell,kmosher/PowerShell,bingbing8/PowerShell,bmanikm/PowerShell,bingbing8/PowerShell,daxian-dbw/PowerShell,TravisEz13/PowerShell,bmanikm/PowerShell,bingbing8/PowerShell,KarolKaczmarek/PowerShell,KarolKaczmarek/PowerShell,TravisEz13/PowerShell,kmosher/PowerShell