Ruby: Fix recipe on x86.

- Add cflags define for _BSD_SOURCE, as the build would otherwise fail
  in the socket module due to detecting the presence of the ifaddrs
  header, but lacking the actual functions.

dev-lang/ruby/ruby-2.2.2.recipe

@@ -19,7 +19,7 @@ PATCHES="ruby-$portVersion.patchset"
 
 REVISION="1"
 
-ARCHITECTURES="!x86_gcc2 ?x86 !x86_64"
+ARCHITECTURES="!x86_gcc2 x86 !x86_64"
 SECONDARY_ARCHITECTURES="x86"
 
 PROVIDES="
@@ -78,6 +78,7 @@ BUILD()
 {
 	libtoolize --force --copy --install
 	autoconf
+	export CFLAGS=-D_BSD_SOURCE
 	runConfigure --omit-dirs binDir ./configure --enable-shared \
 		--disable-silent-rules \
 		--bindir=$prefix/bin