fix(locale): Don't localize the exec line

Fixes jaagr/lemonbuddy#56

include/bar.hpp

@@ -72,6 +72,7 @@ struct Options
   std::string get_geom()
   {
     std::stringstream ss;
+    ss.imbue(std::locale::classic());
     ss << this->width << "x" << this->height << "+";
     ss << this->offset_x << "+" << this->offset_y;
     return ss.str();

src/bar.cpp

@@ -237,6 +237,8 @@ std::string Bar::get_exec_line()
 {
   std::stringstream buffer;
 
+  buffer.imbue(std::locale::classic());
+
   buffer << "lemonbar -p";
   if (!this->opts->wm_name.empty())
     buffer << " -n " << this->opts->wm_name;