[libxml++] Make the schema validation example program work with no arguments.

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 4d779a6345b25bb54d1ed30781445048ef3ad3f9
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Fri Feb 10 19:21:32 2012 +0100

    Make the schema validation example program work with no arguments.
    
    * examples/schemavalidation/main.cc: Correct the test for number of arguments.

 ChangeLog                         |    6 ++++++
 examples/schemavalidation/main.cc |    2 +-
 2 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index c0b6207..26ebf4e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-02-10  Kjell Ahlstedt  <kjell ahlstedt bredband net>
+
+	Make the schema validation example program work with no arguments.
+
+	* examples/schemavalidation/main.cc: Correct the test for number of arguments.
+
 2012-01-30  Kjell Ahlstedt  <kjell ahlstedt bredband net>
 
 	Parser: Throw more detailed error messages.
diff --git a/examples/schemavalidation/main.cc b/examples/schemavalidation/main.cc
index 18023b0..6b6fb63 100644
--- a/examples/schemavalidation/main.cc
+++ b/examples/schemavalidation/main.cc
@@ -38,7 +38,7 @@ int main(int argc, char* argv[])
   std::string schemafilepath("example.xsd"),
               docfilepath("example.xml");
 
-  if(argc!=0 && argc!=3)
+  if(argc!=1 && argc!=3)
     std::cout << "usage : " << argv[0] << " [document schema]" << std::endl;
   else
   {