Renamed the C++ library source files to qrcodegen, because there's no longer a file per class, related to commit 096c70cd4d.

cpp/Makefile

@@ -52,7 +52,7 @@ CXXFLAGS += -std=c++11 -O
 
 LIB = qrcodegen
 LIBFILE = lib$(LIB).a
-LIBOBJ = QrCode.o
+LIBOBJ = qrcodegen.o
 MAINS = QrCodeGeneratorDemo QrCodeGeneratorWorker
 
 # Build all binaries

cpp/QrCodeGeneratorDemo.cpp

@@ -32,7 +32,7 @@
 #include <sstream>
 #include <string>
 #include <vector>
-#include "QrCode.hpp"
+#include "qrcodegen.hpp"
 
 using std::uint8_t;
 using qrcodegen::QrCode;

cpp/QrCodeGeneratorWorker.cpp

@@ -32,7 +32,7 @@
 #include <cstring>
 #include <iostream>
 #include <vector>
-#include "QrCode.hpp"
+#include "qrcodegen.hpp"
 
 using qrcodegen::QrCode;
 using qrcodegen::QrSegment;

cpp/qrcodegen.cpp

@@ -29,7 +29,7 @@
 #include <sstream>
 #include <stdexcept>
 #include <utility>
-#include "QrCode.hpp"
+#include "qrcodegen.hpp"
 
 using std::int8_t;
 using std::uint8_t;