Rationalise definition of NO_IPV6 for atari frontend

svn path=/trunk/netsurf/; revision=11623

Makefile.defaults

@@ -336,7 +336,7 @@ ifeq ($(TARGET),atari)
   NETSURF_ATARI_USE_FREETYPE := YES
 
   # Optimisation levels
-  CFLAGS += -m68000 -O2 -Wuninitialized -DNO_IPV6
+  CFLAGS += -m68000 -O2 -Wuninitialized
 
   WARNFLAGS = -W -Wundef -Wpointer-arith \
 		-Wcast-align -Wwrite-strings -Wstrict-prototypes \

atari/Makefile.target

@@ -5,7 +5,7 @@
 $(eval $(call feature_enabled,MNG,-DWITH_MNG,-lmng,PNG/MNG/JNG (libmng)))
 $(eval $(call feature_enabled,PNG,-DWITH_PNG,-lpng,PNG (libpng)  ))
 
-CFLAGS += -I/usr/GEM/include -DNO_IPV6
+CFLAGS += -I/usr/GEM/include
 LDFLAGS += -L/usr/GEM/lib -lcflib
 
 CFLAGS += -DATARI_USE_FREETYPE $(shell freetype-config --cflags)

utils/config.h

@@ -104,7 +104,8 @@ char *realpath(const char *path, char *resolved_path);
 	#define WITH_THEME_INSTALL
 #endif
 
-#if defined(__amigaos4__) || defined(__AMIGA__)
+#if defined(__amigaos4__) || defined(__AMIGA__) || \
+		defined(nsatari)
 	#define NO_IPV6
 #endif