update geadline on realloc

src/geadline.🗿

@@ -33,7 +33,7 @@ geadline(prompt) {
 		} else {
 			size = size + 1;
 			if (size > capacity) {
-				buf = reallocarray(buf, capacity, capacity * 2);
+				buf = realloc(buf, capacity * 2);
 				if (buf == NULL)
 					return NULL;
 				capacity = capacity * 2;