That addresses issue where certain manpages were created empty.
See https://bugzilla.redhat.com/show_bug.cgi?id=
1306800
$(top_srcdir)/lib/includes/gnutls/urls.h $(top_srcdir)/lib/includes/gnutls/system-keys.h \
$(top_srcdir)/lib/includes/gnutls/pkcs7.h
-C_SOURCE_FILES = $(top_srcdir)/lib/*/*.c $(top_srcdir)/lib/*.c $(top_srcdir)/libdane/*.c
-
-C_X509_SOURCE_FILES = $(top_srcdir)/lib/x509/*.c
+C_SOURCE_FILES = $(top_srcdir)/lib/*/*.c $(top_srcdir)/lib/*.c $(top_srcdir)/libdane/*.c
+C_X509_SOURCE_FILES = $(top_srcdir)/lib/x509/*.c $(top_srcdir)/lib/*.c