[Build] Fix exposed suffix, remove unused option.

Author: Faless

SConstruct

@@ -145,7 +145,6 @@ opts.Add(
 opts.Add(BoolVariable("generate_template_get_node", "Generate a template version of the Node class's get_node.", True))
 
 opts.Add(BoolVariable("build_library", "Build the godot-cpp library.", True))
-opts.Add("build_projects", "List of projects to build (comma-separated list of paths).", "")
 
 opts.Update(env)
 Help(opts.GenerateHelpText(env))
@@ -499,7 +498,7 @@ if env["build_library"]:
     library = env.StaticLibrary(target=env.File("bin/%s" % library_name), source=sources)
     Default(library)
 
-env["SHLIBSUFFIX"] = "{}.{}.{}{}".format(env["platform"], env["target"], arch_suffix, env["SHLIBSUFFIX"])
+env["SHLIBSUFFIX"] = ".{}.{}.{}{}".format(env["platform"], env["target"], arch_suffix, env["SHLIBSUFFIX"])
 env.Append(CPPPATH=[env.Dir(f) for f in ["gen/include", "include", "godot-headers"]])
 env.Append(LIBPATH=[env.Dir("bin")])
 env.Append(LIBS=library_name)