Set C locale at startup

Former-commit-id: 2f47a595266e5b865aa70a65bbc8d29c0c515eed

deploy/hyperion.tar.gz.REMOVED.git-id

@@ -1 +1 @@
-08d42deff1de4c4296e4c6e22c783a0096ed3396
+e1b870c27b4cf133a895ed91f825c3c6f6f69e58

src/hyperion-remote/hyperion-remote.cpp

@@ -1,4 +1,5 @@
 // stl includes
+#include <clocale>
 #include <initializer_list>
 
 // Qt includes
@@ -26,6 +27,8 @@ int count(std::initializer_list<bool> values)
 
 int main(int argc, char * argv[])
 {
+	setlocale(LC_ALL, "C");
+
 	QCoreApplication app(argc, argv);
 
 	try

src/hyperion-v4l2/hyperion-v4l2.cpp

@@ -1,7 +1,7 @@
-
 // STL includes
 #include <csignal>
 #include <iomanip>
+#include <clocale>
 
 // QT includes
 #include <QImage>
@@ -30,6 +30,8 @@ void saveScreenshot(void *, const Image<ColorRgb> & image)
 
 int main(int argc, char** argv)
 {
+	setlocale(LC_ALL, "C");
+
 	try
 	{
 		// create the option parser and initialize all parameters

src/hyperiond/hyperiond.cpp

@@ -1,6 +1,7 @@
 // C++ includes
 #include <cassert>
 #include <csignal>
+#include <clocale>
 
 // QT includes
 #include <QCoreApplication>
@@ -70,6 +71,7 @@ Json::Value loadConfig(const std::string & configFile)
 int main(int argc, char** argv)
 {
 	std::cout << "Application build time: " << __DATE__ << " " << __TIME__ << std::endl;
+	std::cout << "Locale = " << setlocale(LC_ALL, "C") << std::endl;
 
 	// Initialising QCoreApplication
 	QCoreApplication app(argc, argv);