[svn-r13805]

Early detection of no arguments, print usage and exit

Tested: linux

tools/h5diff/h5diff_common.c

@@ -50,7 +50,6 @@ void parse_input(int argc,
 
  if ( argc<3 )
  {
-  printf("Number of arguments is only %d\n", argc );
   usage();
  }