cleanup: remove pref.h include in dive.h

If source files want to access preferences functions, they should
include pref.h themselves.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

backend-shared/exportfuncs.cpp

@@ -13,6 +13,7 @@
 #include "core/divefilter.h"
 #include "core/divesite.h"
 #include "core/picture.h"
+#include "core/pref.h"
 #include "core/sample.h"
 #include "exportfuncs.h"
 

commands/command.h

@@ -4,6 +4,7 @@
 
 #include "core/dive.h"
 #include "core/pictureobj.h"
+#include "core/taxonomy.h"
 #include <QVector>
 #include <QAction>
 #include <vector>

core/dive.h

@@ -233,6 +233,4 @@ Q_DECLARE_METATYPE(struct dive *);
 
 #endif
 
-#include "pref.h"
-
 #endif // DIVE_H

core/equipment.c

@@ -16,6 +16,7 @@
 #include "dive.h"
 #include "display.h"
 #include "divelist.h"
+#include "pref.h"
 #include "subsurface-string.h"
 #include "table.h"