filesystem: wscript: fix library name on Android

filesystem/wscript

@@ -9,8 +9,10 @@ def configure(conf):
 		'default': ['-fno-rtti', '-fno-exceptions']
 	}
 	conf.env.append_unique('CXXFLAGS', conf.get_flags_by_compiler(nortti, conf.env.COMPILER_CC))
-	if conf.env.cxxshlib_PATTERN.startswith('lib'):
+
-		conf.env.cxxshlib_PATTERN = conf.env.cxxshlib_PATTERN[3:]
+	if conf.env.DEST_OS != 'android':
+		if conf.env.cxxshlib_PATTERN.startswith('lib'):
+			conf.env.cxxshlib_PATTERN = conf.env.cxxshlib_PATTERN[3:]
 
 def build(bld):
 	bld.shlib(target = 'filesystem_stdio',