removes default compiler hardening flags that break Android

external/Makefile

@@ -154,6 +154,9 @@ tor-clean:
 
 
 obfsproxy/Makefile: 
+	cp obfsproxy_android_no_hardening.patch obfsproxy
+	cd obfsproxy && \
+	 	patch -N -p1 --reject-file=- < obfsproxy_android_no_hardening.patch
 	cd obfsproxy && \
 	 	./autogen.sh
 	cp config.sub obfsproxy

external/obfsproxy_android_no_hardening.patch

@@ -0,0 +1,19 @@
+commit d42eec7683ce9d47fc846e511e815ec1b2950c27
+Author: n8fr8 <nathan@freitas.net>
+Date:   Fri May 4 17:32:51 2012 -0400
+
+    remove hardening for android
+
+diff --git a/configure.ac b/configure.ac
+index facd3c6..ad405ea 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -24,7 +24,7 @@ AC_CHECK_HEADERS([sys/types.h])
+ AC_CHECK_HEADERS([netinet/in.h])
+ 
+ ### Compiler Hardening ###
+-AX_ENABLE_HARDENING
++##AX_ENABLE_HARDENING
+ 
+ ### Libraries ###
+