Changed so that we use the static libraries of SFML instead to reduce the dependency when you want to distribute your ruby applications.

Also seems like that my sfml-all wasn't committed. Should be done now.

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1734 4e206d99-4929-0410-ac5d-dfc041789085

bindings/ruby/sfml-system/system/main.hpp

@@ -25,6 +25,8 @@
 
 #include "ruby.h"
 
+#define SFML_STATIC
+
 VALUE RetrieveSFMLClass( const char * aName );
 
 // Ruby initiation function