Include ppoll.h into the distribution
diff --git a/common/Makefile.am b/common/Makefile.am
index 13752a0..30211fa 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -9,4 +9,6 @@
 
 test_textfile_LDADD = libhelper.a
 
+EXTRA_DIST = ppoll.h
+
 MAINTAINERCLEANFILES = Makefile.in