More R_ext/PrtUtil.h tweaks.

git-svn-id: https://svn.r-project.org/R/trunk@89119 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: luke

src/include/R_ext/PrtUtil.h

@@ -35,7 +35,8 @@
 #warning non-API header file R_ext/PrtUtil.h is obsolete and will be removed
 #endif
 
-// for packages relying on the old R_ext/PrtUtil.h bringing this in
+// for packages relying on the old R_ext/PrtUtil.h bringing these in
 #include <Rinternals.h>
+#include <R_ext/Print.h>
 
 #endif /* FAKE_PRTUTIL_H_ */