games/hedgewars: mark BROKEN on i386

Link fails with 'ld: error: duplicate symbol: LandDirty_dimension_info'
on some code converted from pascal to C, so this would be non-trivial
to fix.

games/hedgewars/Makefile

@@ -12,6 +12,8 @@ COMMENT=	Free Worms-like turn based strategy game
 LICENSE=	GPLv2 GFDL
 LICENSE_COMB=	multi
 
+BROKEN_i386=	ld: error: duplicate symbol: LandDirty_dimension_info
+
 LIB_DEPENDS=	libphysfs.so:devel/physfs \
 		libpng.so:graphics/png