Make run_resize_screen volatile

src/ncmpcpp.cpp

@@ -50,18 +50,17 @@
 
 namespace ph = std::placeholders;
 
-namespace
-{
+namespace {
+
 std::ofstream errorlog;
 std::streambuf *cerr_buffer;
-	bool run_resize_screen = false;
+
+volatile bool run_resize_screen = false;
 	
 void sighandler(int sig)
 {
 	if (sig == SIGWINCH)
-		{
 		run_resize_screen = true;
-		}
 #if defined(__sun) && defined(__SVR4)
 	// in solaris it is needed to reinstall the handler each time it's executed
 	signal(sig, sighandler);
@@ -77,6 +76,7 @@ namespace
 	NC::destroyScreen();
 	windowTitle("");
 }
+
 }
 
 int main(int argc, char **argv)