Fix paths in VS2019 (#328)

Author: dimitre

ofxProjectGenerator/src/projects/visualStudioProject.cpp

@@ -30,7 +30,8 @@ bool visualStudioProject::createProjectFile(){
 	findandreplaceInTexfile(user,"emptyExample",projectName);
 	findandreplaceInTexfile(project,"emptyExample",projectName);
 
-	std::string relRoot = getOFRelPath(ofFilePath::removeTrailingSlash(projectDir));
+	std::string relRoot = getOFRelPath(projectDir.string());
+	
 	if (relRoot != "../../../"){
 
 	std::string relRootWindows = relRoot;

ofxProjectGenerator/src/utils/Utils.cpp

@@ -412,7 +412,7 @@ of::filesystem::path getOFRelPathFS(const of::filesystem::path & from) {
 }
 
 std::string getOFRelPath(const std::string & from) {
-	return getOFRelPathFS(from).string();
+	return ofFilePath::addTrailingSlash(getOFRelPathFS(from).string());
 }
 
 bool checkConfigExists(){