Remove unused variable.

[SVN r77647]

src/engine/rules.c

@@ -343,7 +343,6 @@ SETTINGS * addsettings( SETTINGS * head, int flag, OBJECT * symbol, LIST * value
         v->symbol = object_copy( symbol );
         v->value = value;
         v->next = head;
-        v->multiple = 0;
         head = v;
     }
     else if ( flag == VAR_APPEND )

src/engine/rules.h

@@ -111,7 +111,6 @@ struct _settings
     SETTINGS * next;
     OBJECT   * symbol;        /* symbol name for var_set() */
     LIST     * value;         /* symbol value for var_set() */
-    int multiple;
 };
 
 /* TARGETS - a chain of TARGETs. */