Correction warning.

Examples/IO/MetadataExample.cxx

@@ -170,7 +170,7 @@ int main(int argc, char* argv[])
   InputImageType::VectorType tab = image->GetGeoTransform();
 
   file << "Geo Transform " << std::endl;
-  for(int i = 0 ; i < tab.size() ; i++ )
+  for(unsigned int i = 0 ; i < tab.size() ; i++ )
     {
     file << " " <<i<<" -> "<<tab[i]<< std::endl;
     }
@@ -178,28 +178,28 @@ int main(int argc, char* argv[])
 	
   tab = image->GetUpperLeftCorner();
   file << "Corners " << std::endl;
-  for(int i = 0 ; i < tab.size() ; i++ )
+  for(unsigned int i = 0 ; i < tab.size() ; i++ )
     {
     file << " UL[" <<i<<"] -> "<<tab[i]<< std::endl;
     }
   tab.clear();
 		
   tab = image->GetUpperRightCorner();
-  for(int i = 0 ; i < tab.size() ; i++ )
+  for(unsigned int i = 0 ; i < tab.size() ; i++ )
     {
     file << " UR[" <<i<<"] -> "<<tab[i]<< std::endl;
     }
   tab.clear();
 		
   tab = image->GetLowerLeftCorner();
-  for(int i = 0 ; i < tab.size() ; i++ )
+  for(unsigned int i = 0 ; i < tab.size() ; i++ )
     {
     file << " LL[" <<i<<"] -> "<<tab[i]<< std::endl;
     }
   tab.clear();
 			
   tab = image->GetLowerRightCorner();
-  for(int i = 0 ; i < tab.size() ; i++ )
+  for(unsigned int i = 0 ; i < tab.size() ; i++ )
     {
     file << " LR[" <<i<<"] -> "<<tab[i]<< std::endl;
     }