Revert "Revert "Correct handling of dependent file paths on Windows (use winslash = "/")""

This reverts commit b6e5c0c.

Author: kevinushey

ChangeLog

@@ -1,3 +1,7 @@
+2013-05-24  J.J. Allaire <[email protected]>
+
+        * src/attributes.cpp: Correct handling of dependent file paths on Windows (use winslash = "/")
+
 2016-04-13  Dirk Eddelbuettel  <[email protected]>
 
         * DESCRIPTION (Version): Rolling minor version and Date

inst/NEWS.Rd

@@ -14,6 +14,7 @@
     \itemize{
       \item R 3.3.0 Windows with Rtools 3.3 is now supported (Qin Wenfeng in PR
       \ghpr{451}). 
+      \item Correct handling of dependent file paths on Windows (use winslash = "/").
     }
     \item Changes in Rcpp Modules:
     \itemize{

src/attributes.cpp

@@ -851,7 +851,7 @@ namespace attributes {
                         // if it exists then normalize and add to our list
                         LogicalVector exists = fileExists(include);
                         if (exists[0]) {
-                            include = normalizePath(include);
+                            include = normalizePath(include, "/");
                             if (addUniqueDependency(include, pDependencies)) {
                                 newDependencies.push_back(
                                     FileInfo(Rcpp::as<std::string>(include)));