add a recorder count to the status bar

... and this found the problem with the weird qtv behaviour on map change:
changing maps causes the server to add a new connection for the proxy. oops

qw/include/sv_recorder.h

@@ -47,5 +47,6 @@ struct sizebuf_s *SVR_Datagram (void);
 void SVR_ForceFrame (void);
 void SVR_SetDelta (recorder_t *r, int delta, int in_frame);
 void SVR_SendMessages (void);
+int SVR_NumRecorders (void);
 
 #endif//__sv_recorder_h

qw/source/sv_recorder.c

@@ -623,3 +623,14 @@ SVR_SetDelta (recorder_t *r, int delta, int in_frame)
 	if (in_frame != -1)
 		r->delta.in_frame = in_frame & UPDATE_MASK;
 }
+
+int
+SVR_NumRecorders (void)
+{
+	recorder_t *rec;
+	int         count;
+
+	for (count = 0, rec = sv.recorders; rec; count++, rec = rec->next)
+		;
+	return count;
+}

qw/source/sv_sbar.c

@@ -41,6 +41,7 @@ static __attribute__ ((used)) const char rcsid[] =
 
 #include "server.h"
 #include "sv_console.h"
+#include "sv_recorder.h"
 
 static void
 draw_cpu (view_t *view)
@@ -65,6 +66,20 @@ draw_cpu (view_t *view)
 	}
 }
 
+static void
+draw_rec (view_t *view)
+{
+	sv_view_t  *sv_view = view->data;
+	sv_sbar_t  *sb = sv_view->obj;
+	const char *str;
+	const char *s;
+	char       *d;
+
+	str = va ("[REC: %d]", SVR_NumRecorders ());
+	for (s = str, d = sb->text + view->xrel; *s; s++)
+		*d++ = *s;
+}
+
 void
 SV_Sbar_Init (void)
 {
@@ -79,4 +94,9 @@ SV_Sbar_Init (void)
 	view->draw = draw_cpu;
 	view->data = status->data;
 	view_add (status, view);
+
+	view = view_new (11, 0, 8, 1, grav_northwest);
+	view->draw = draw_rec;
+	view->data = status->data;
+	view_add (status, view);
 }