Set numeric locale to C for proper tesseract-orc-* packages work on linux.

main.cpp

@@ -1,3 +1,7 @@
+#ifdef Q_OS_LINUX
+#  include <locale.h>
+#endif
+
 #include <QApplication>
 #include <QTranslator>
 
@@ -11,6 +15,9 @@ int main (int argc, char *argv[]) {
   if (a.sendMessage (QString ())) {
     return 0;
   }
+#ifdef Q_OS_LINUX
+  setlocale (LC_NUMERIC, "C");
+#endif
   a.setQuitOnLastWindowClosed (false);
   a.setApplicationName (settings_values::appName);
   a.setOrganizationName (settings_values::companyName);