complier warnings about uninitialized variables

src/field.c

@@ -1,4 +1,4 @@
-/* $Id: field.c,v 1.58 2004/08/30 20:01:32 stpohle Exp $ */
+/* $Id: field.c,v 1.59 2006/08/15 16:05:09 stpohle Exp $ */
 /* field.c - procedures which are needed to control the field */
 
 #include "bomberclone.h"
@@ -434,7 +434,9 @@ field_hurrysize ()
 {
 	int i;
 	_point old;
-	
+
+	old.x = old.y = 0;
+
 	fieldhurry_to -= timediff;
 	if (fieldhurry_to <= 0 || fieldhurry_to > FIELDHURRYSIZE) {
         	fieldhurry_to = FIELDHURRYSIZE;