suppress two nags from g++

Author: eddelbuettel

ChangeLog

@@ -5,6 +5,8 @@
 
         * R/Attributes.R (.plugins[["openmp"]]): Fix typo in comment
 
+        * src/attributes.cpp (Rcpp): Use size_t (twice) to suppress nags from g++
+
 2017-05-16  JJ Allaire  <[email protected]>
 
         * R/Attributes.R: Automatically generate native routine registrations.

src/attributes.cpp

@@ -1979,7 +1979,7 @@ namespace attributes {
             // generate declarations
             if (declarations.size() > 0) {
                 ostr() << std::endl;
-                for (int i = 0; i<declarations.size(); i++)
+                for (std::size_t i = 0; i<declarations.size(); i++)
                     ostr() << declarations[i] << std::endl;
             }
 
@@ -1992,7 +1992,7 @@ namespace attributes {
                         routineArgs[i] <<  "}," << std::endl;
             }
             if (callEntries.size() > 0) {
-                for (int i = 0; i<callEntries.size(); i++)
+                for (std::size_t i = 0; i<callEntries.size(); i++)
                     ostr() << callEntries[i] << std::endl;
             }
             ostr() << "    {NULL, NULL, 0}" << std::endl;