[GR-6518] [GR-6547] Fixes for ORE (1).

...truffle.r.native/fficall/src/common/rffi_variablesindex.h

com.oracle.truffle.r.native/fficall/src/include/Defn.h

...acle.truffle.r.native/fficall/src/truffle_nfi/variables.c

.../src/com/oracle/truffle/r/nodes/builtin/base/Sprintf.java

.../src/com/oracle/truffle/r/nodes/builtin/InternalNode.java

.../src/com/oracle/truffle/r/nodes/builtin/RBuiltinNode.java

com.oracle.truffle.r.pkgs/rJava/R/rj.R

...oracle/truffle/r/runtime/data/AgentObjectSizeFactory.java

...me/src/com/oracle/truffle/r/runtime/env/REnvironment.java

...e/src/com/oracle/truffle/r/runtime/ffi/RFFIVariables.java

...le/truffle/r/runtime/nodes/EvaluatedArgumentsVisitor.java

...est/src/com/oracle/truffle/r/test/ExpectedTestOutput.test

...m/oracle/truffle/r/test/builtins/TestBuiltin_sprintf.java

.../oracle/truffle/r/test/library/base/TestEnvironments.java

mx.fastr/mx_fastr_edinclude.py

mx.fastr/mx_fastr_mkgramrd.py