wm: teppich

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fix dynamic \t, it appears we did one more than needed.

--- a/pc/vga.c

+++ b/pc/vga.c

@@ -86,7 +86,11 @@

 			return;

 		case '\t':

 			/* dynamic tab! */	

-			int dst = (vga_col % 8) + 1;

+			int dst = (vga_col % 8);

+			char *s;

+			s = malloc(10);

+			com_puts(itoa(dst, s, 10));

+			com_puts("\t");

 			for(int i = 0 ; i < dst ; i++)

 				vga_putc(' ');

 			return;