avoid unnecessary state saving for when we resize


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3496 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
diff --git a/src/text.c b/src/text.c
index 4b6fa32..1c1727e 100644
--- a/src/text.c
+++ b/src/text.c
@@ -1656,8 +1656,12 @@
     edit_refresh();
 
 #ifndef NANO_TINY
+    /* We're going to set jump_buf so that we return here after a
+     * SIGWINCH instead of to main().  Indicate this. */
+    jump_buf_main = FALSE;
+
     /* Return here after a SIGWINCH. */
-    sigsetjmp(jmpbuf, 1);
+    sigsetjmp(jump_buf, 1);
 #endif
 
     statusbar(_("Can now UnJustify!"));