Revert "Revert "global.h: Use forward-declarations to reduce number of dependencies""

This reverts commit 3c8d47fa49.

No Idea why this was reverted, so revert again :-)

src/driver/rcinput.cpp

@@ -53,6 +53,7 @@
 #include <driver/shutdown_count.h>
 #include <neutrino.h>
 #include <timerd/timermanager.h>
+#include <timerdclient/timerdclient.h>
 #include <cs_api.h>
 
 //#define RCDEBUG

src/driver/record.cpp

@@ -51,6 +51,7 @@
 
 
 #include <driver/record.h>
+#include <driver/radiotext.h>
 #include <driver/streamts.h>
 #include <zapit/capmt.h>
 #include <zapit/channel.h>