Merge branch 'fix_androidndk_rake' of https://github.com/crimsonwoods/mruby...

Merge branch 'fix_androidndk_rake' of https://github.com/crimsonwoods/mruby into crimsonwoods-fix_androidndk_rake

tasks/toolchains/android.rake

@@ -171,6 +171,8 @@ Set ANDROID_NDK_HOME environment variable or set :ndk_home parameter
         flags += %W(-march=armv7-a -Wl,--fix-cortex-a8)
       end
     end
+    
+    flags
   end
 
   def ar