changed AC_OUTPUT() macro to avoid a cygwin problem c.f. #130896 Daniel

* configure.in: changed AC_OUTPUT() macro to avoid a cygwin problem
  c.f. #130896
Daniel
diff --git a/configure.in b/configure.in
index 38eada7..cd93101 100644
--- a/configure.in
+++ b/configure.in
@@ -1052,10 +1052,7 @@
 rm -f COPYING.LIB COPYING
 ln -s Copyright COPYING
 
-AC_OUTPUT(libxml2.spec:libxml.spec.in Makefile include/Makefile
-include/libxml/Makefile doc/Makefile doc/examples/Makefile
-example/Makefile python/Makefile python/tests/Makefile
-include/libxml/xmlversion.h xml2-config libxml-2.0.pc
-libxml-2.0-uninstalled.pc xml2Conf.sh python/setup.py)
+# keep on one line for cygwin c.f. #130896
+AC_OUTPUT(libxml2.spec:libxml.spec.in Makefile include/Makefile include/libxml/Makefile doc/Makefile doc/examples/Makefile example/Makefile python/Makefile python/tests/Makefile include/libxml/xmlversion.h xml2-config libxml-2.0.pc libxml-2.0-uninstalled.pc xml2Conf.sh python/setup.py)
 
 chmod +x xml2-config xml2Conf.sh python/setup.py