fix(gfx): Fix text being offset by one character

Text was displayed one character further right than intended because the
offset was incremented before drawing.  This commit reverses the two
operations and thus restores proper display of text.

Signed-off-by: Rahix <rahix@rahix.de>

lib/gfx/gfx.c

@@ -87,6 +87,9 @@ void gfx_puts(
 	Color bg
 ) {
 	while (*str) {
+		gfx_putchar(font, r, x, y, *str, fg, bg);
+		str++;
+
 		x += font->Width;
 		if (x >= r->width) {
 			x = 0;
@@ -94,8 +97,6 @@ void gfx_puts(
 		}
 		if (y >= r->height)
 			return;
-		gfx_putchar(font, r, x, y, *str, fg, bg);
-		str++;
 	}
 }