meta-python: missing closing brace

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/classes/distutils3-base.bbclass

@@ -6,4 +6,4 @@ inherit distutils-common-base python3native python3targetconfig
 
 python __anonymous() {
     bb.warn("distutils3-base.bbclass is deprecated, please use setuptools3-base.bbclass instead")
-
+}