[hackers] [st] reset the alt screen in treset || Quentin Carbonneaux

[git]

commit 177d888dff2fdf987dfa7fc3eb8495fa107879ad
Author: Quentin Carbonneaux <q...@c9x.me>
Date:   Mon Aug 18 19:20:41 2014 +0200

    reset the alt screen in treset
    
    Signed-off-by: Roberto E. Vargas Caballero <k...@shike2.com>

diff --git a/st.c b/st.c
index 65473f0..0e228a7 100644
--- a/st.c
+++ b/st.c
@@ -1356,9 +1356,12 @@ treset(void) {
        memset(term.trantbl, sizeof(term.trantbl), CS_USA);
        term.charset = 0;
 
-       tclearregion(0, 0, term.col-1, term.row-1);
-       tmoveto(0, 0);
-       tcursor(CURSOR_SAVE);
+       for(i = 0; i < 2; i++) {
+               tmoveto(0, 0);
+               tcursor(CURSOR_SAVE);
+               tclearregion(0, 0, term.col-1, term.row-1);
+               tswapscreen();
+       }
 }
 
 void