make: Don't delete 'build' dir in 'clean' target

Author: 1st1

Makefile

@@ -8,7 +8,7 @@ _default: compile
 
 
 clean:
-	rm -fr dist/ doc/_build/ *.egg-info build/ uvloop/loop.*.pyd
+	rm -fr dist/ doc/_build/ *.egg-info uvloop/loop.*.pyd
 	rm -fr build/lib.* build/temp.*
 	rm -fr uvloop/*.c uvloop/*.html uvloop/*.so
 	rm -fr uvloop/handles/*.html uvloop/includes/*.html
@@ -20,6 +20,7 @@ clean-libuv:
 
 
 distclean: clean clean-libuv
+	rm -fr build/
 
 
 compile: clean