util.h added as "source" to make it get added in dist archives

tests/server/Makefile.am

@@ -31,8 +31,9 @@ useful = getpart.c getpart.h $(top_srcdir)/lib/strequal.c	\
  $(top_srcdir)/lib/base64.c $(top_srcdir)/lib/mprintf.c		\
  $(top_srcdir)/lib/memdebug.c $(top_srcdir)/lib/timeval.c
 
-sws_SOURCES= sws.c util.c $(useful)
-sockfilt_SOURCES = sockfilt.c util.c $(useful) $(top_srcdir)/lib/inet_pton.c
+sws_SOURCES= sws.c util.c util.h $(useful)
+sockfilt_SOURCES = sockfilt.c util.c util.h $(useful)	\
+ $(top_srcdir)/lib/inet_pton.c
 getpart_SOURCES= testpart.c $(useful)
 
 extra_DIST = base64.pl