Makefile: add clean target

diff --git a/Makefile b/Makefile
index 58d806b..e140665 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,9 @@ build: checkwaf
        ./waf configure
        ./waf build
 
+clean:
+       ./waf clean
+
 distcheck: build
        ./waf distcheck