Clicky: Set the locale, to ensure that dot gets something it understa…

…nds.

Comment from Jonathan Kirchhoff.

apps/clicky/src/dwidget.cc

@@ -13,6 +13,7 @@
 #include "scopechain.hh"
 #include <list>
 #include <math.h>
+#include <locale.h>
 #include "crouter.hh"
 #include "whandler.hh"
 #include "transform.hh"
@@ -557,6 +558,7 @@ void delt::position_contents_dot(crouter *cr, ErrorHandler *errh)
     double gysep = std::max(gdess->margin[0], gdess->margin[2]);
 
     StringAccum sa;
+    char *old_locale = setlocale(LC_ALL, "C");
     sa << "digraph {\n"
        << "nodesep=" << (gxsep / 100) << ";\n"
        << "ranksep=" << (gysep / 100) << ";\n"
@@ -617,6 +619,7 @@ void delt::position_contents_dot(crouter *cr, ErrorHandler *errh)
 	   << (ein->vertical() ? 'n' : 'w') << ";\n";
     }
     sa << "}\n";
+    setlocale(LC_ALL, old_locale);
 
     //fprintf(stderr, "%s\n", sa.c_str());
     String result;