[svn r593] Fixed internal reference to gmyth.h. We can not include this header in src/gmyth_* files. Also fixed gmyth_debug link error. In the current implementation we need to include gmyth_debug.h in all files using gmyth_debug(), otherwise we will get library linking error

 #ifndef MMYTH_SETTINGS_H_

 #define MMYTH_SETTINGS_H_

 gboolean mmyth_uisettings_run (GtkWindow *main_window);

 #endif /*MMYTH_SETTINGS_H_*/