Moved petname_used to decl.c

include/decl.h

@@ -192,6 +192,8 @@ E NEARDATA char dogname[];
 E NEARDATA char catname[];
 E NEARDATA char horsename[];
 E char preferred_pet;
+E int petname_used;
+
 E const char *occtxt; /* defined when occupation != NULL */
 E const char *nomovemsg;
 E char lock[];
@@ -440,6 +442,7 @@ struct early_opt {
 /* encumbrance */
 E int oldcap;
 
+
 #undef E
 
 #endif /* DECL_H */