added export and global char * args to make_declns;

also moved verbose and opt into optimize.[ch]

decs.h

 #ifdef HASPROTOS
-extern void make_declns( declnlist , FILE * , FILE * , char * );
+extern void make_declns( char * , char * , declnlist , char * );
 #else
 extern void make_declns();
 #endif
 
-extern BOOL print, verbose, opt;
+extern BOOL print;