Add more missing include statements for Windows build

Signed-off-by: Stefan Weil <[email protected]>

Author: stweil

src/api/altorenderer.cpp

@@ -15,6 +15,9 @@
 
 #include <memory>
 #include <sstream>  // for std::stringstream
+#ifdef _WIN32
+#  include <windows.h>   // MultiByteToWideChar, ...
+#endif
 #include "baseapi.h"
 #include "renderer.h"
 

src/api/hocrrenderer.cpp

@@ -20,6 +20,9 @@
 #include <locale>     // for std::locale::classic
 #include <memory>     // for std::unique_ptr
 #include <sstream>    // for std::stringstream
+#ifdef _WIN32
+# include <windows.h> // MultiByteToWideChar, ...
+#endif
 #include "baseapi.h"  // for TessBaseAPI
 #include "renderer.h"
 #include "tesseractclass.h"  // for Tesseract