Optimized include/*.h: (recursively) include all headers needed by
this .h file, but only those. Necessary fixes to a lot of .c files,
started optimizing "windows.h" away from some of them. Moved
GetCurrentTask prototype to wine/winbase16.h.
diff --git a/loader/main.c b/loader/main.c
index fd32ab2..062319b 100644
--- a/loader/main.c
+++ b/loader/main.c
@@ -9,9 +9,10 @@
#include <unistd.h>
#include <string.h>
#include <errno.h>
-#include "windows.h"
+#include "wine/winbase16.h"
#include "bitmap.h"
#include "comm.h"
+#include "neexe.h"
#include "win.h"
#include "main.h"
#include "menu.h"