changed all 'sprintf' calls to 'snprintf'


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@58 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
diff --git a/search.c b/search.c
index c363080..48d21da 100644
--- a/search.c
+++ b/search.c
@@ -41,10 +41,10 @@
 int search_init(int replacing)
 {
     int i;
-    char buf[135];
+    char buf[BUFSIZ];
 
     if (last_search[0]) {
-	sprintf(buf, " [%s]", last_search);
+	snprintf(buf, BUFSIZ, " [%s]", last_search);
     } else {
 	buf[0] = '\0';
     }