Misc fixes for impish builds

Change-Id: I68825a35c250a76c2293430271f6536d212fba3b
diff --git a/nlsr/Makefile b/nlsr/Makefile
index c127d1f..6f84fce 100644
--- a/nlsr/Makefile
+++ b/nlsr/Makefile
@@ -11,6 +11,6 @@
 VERSION=0.6.0-15-ga3a63975
 
 # PPA version
-PPA_VERSION=1
+PPA_VERSION=2
 
 include ../packaging.mk