hdf5: detect %I64d specifier

MSVC2015 has long long and uses I64 as the modifier. Other modifiers
cause the standard library to throw up runtime errors and causes the
test to fail.

ThirdParty/hdf5/vtkhdf5/config/cmake/HDF5Tests.c

@@ -245,7 +245,7 @@ int DebugReport(int reportType, char* message, int* returnValue)
 
 int main(void)
 {
-  char *llwidthArgs[] = { "l64", "l", "L", "q", "ll", NULL };
+  char *llwidthArgs[] = { "I64", "l64", "l", "L", "q", "ll", NULL };
   char *s = malloc(128);
   char **currentArg = NULL;
   LL_TYPE x = (LL_TYPE)1048576 * (LL_TYPE)1048576;