Fix clearlang function.

install/calculate

@@ -7177,8 +7177,9 @@ sub clearlang{
 			'/usr/share/man',
 			'/usr/share/vim'
 		){
+			if(-e "$data{'chroot'}$_"){
 				foreach(`find $data{'chroot'}$_ -type d -name $lang`){
 					chomp;
 					system "rm -rf $_";
-}	}	}	}
+}	}	}	}	}