code: drawterm

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x11: work around incompatible libc types

musl uses unsigned long and glibc uses unsigned long int.
undefine before we include the system x11 noise, then put things
back where we found them.

--- a/gui-x11/x11.c

+++ b/gui-x11/x11.c

@@ -15,6 +15,7 @@

 typedef struct Cursor Cursor;

 #undef	long

+#undef  ulong

 #define	Font		XFont

 #define	Screen	XScreen

 #define	Display	XDisplay

@@ -33,6 +34,7 @@

 #undef	Display

 #undef	Cursor

 #define	long	int

+#define ulong	p9_ulong

 /* perfect approximation to NTSC = .299r+.587g+.114b when 0 ≤ r,g,b < 256 */

 #define RGB2K(r,g,b)	((156763*(r)+307758*(g)+59769*(b))>>19)