Compile TinyXml2 with the Dinkum C++ of QNX 6.5 and QNX 6.6.

When we include c++ headers, we have to use explicit std::
diff --git a/xmltest.cpp b/xmltest.cpp
index 3564afb..11eb16c 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -296,12 +296,12 @@
 

 	if ( argc > 1 ) {

 		XMLDocument* doc = new XMLDocument();

-		clock_t startTime = clock();

+		clock_t startTime = std::clock();

 		doc->LoadFile( argv[1] );

-		clock_t loadTime = clock();

+ 		clock_t loadTime = std::clock();

 		int errorID = doc->ErrorID();

 		delete doc; doc = 0;

-		clock_t deleteTime = clock();

+ 		clock_t deleteTime = std::clock();

 

 		printf( "Test file '%s' loaded. ErrorID=%d\n", argv[1], errorID );

 		if ( !errorID ) {

@@ -1403,7 +1403,7 @@
 #if defined( _MSC_VER )

 		QueryPerformanceCounter( (LARGE_INTEGER*) &start );

 #else

-		clock_t cstart = clock();

+		clock_t cstart = std::clock();

 #endif

 		static const int COUNT = 10;

 		for( int i=0; i<COUNT; ++i ) {

@@ -1413,7 +1413,7 @@
 #if defined( _MSC_VER )

 		QueryPerformanceCounter( (LARGE_INTEGER*) &end );

 #else

-		clock_t cend = clock();

+		clock_t cend = std::clock();

 #endif

 

 		delete [] mem;