Use GNU style coding conventions for code in examples/ * examples/embedded.cc, examples/fortdemo.cc, examples/helloworld.cc, examples/make_int.cc, examples/mycell.c, examples/myfeval.c, examples/myfunc.c, examples/mypow2.c, examples/myprop.c, examples/myset.c, examples/mystring.c, examples/mystruct.c, examples/oct_demo.cc, examples/oregonator.cc: Use GNU style coding conventions for code in examples/

--- a/examples/helloworld.cc
+++ b/examples/helloworld.cc
@@ -1,7 +1,7 @@
 #include <octave/oct.h>
 
 DEFUN_DLD (helloworld, args, nargout,
-  "Hello World Help String")
+           "Hello World Help String")
 {
   int nargin = args.length ();