some build fixes

libs/console/piscreen.cpp

@@ -23,6 +23,7 @@
 #  include <fcntl.h>
 #  include <termios.h>
 #else
+#  include <wingdi.h>
 #  include <wincon.h>
 #  ifndef COMMON_LVB_UNDERSCORE
 #    define COMMON_LVB_UNDERSCORE 0x8000
@@ -108,16 +109,13 @@ void PIScreen::SystemConsole::end() {
 
 
 void PIScreen::SystemConsole::prepare() {
-	int w, h;
+	int w = 80, h = 24;
 #ifdef WINDOWS
 	GetConsoleScreenBufferInfo(PRIVATE->hOut, &PRIVATE->csbi);
 	w = PRIVATE->csbi.srWindow.Right - PRIVATE->csbi.srWindow.Left + 1;
 	h = PRIVATE->csbi.srWindow.Bottom - PRIVATE->csbi.srWindow.Top + 1;
 #else
-#  ifdef FREERTOS
-	w = 80;
-	h = 24;
-#  else
+#  ifndef FREERTOS
 	winsize ws;
 	ioctl(0, TIOCGWINSZ, &ws);
 	w = ws.ws_col;